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22552413420 = 22353171185721
BaseRepresentation
bin10101000000001110…
…101000010011101100
32011012201100022020010
4111000032220103230
5332141404212140
614205504253220
71425604231305
oct250016502354
964181308203
1022552413420
119623281aa9
124454911210
132185428b34
14113d29b7ac
158bed9b880
hex5403a84ec

22552413420 has 48 divisors (see below), whose sum is σ = 63346012128. Its totient is φ = 5995000320.

The previous prime is 22552413397. The next prime is 22552413421. The reversal of 22552413420 is 2431425522.

It is a super-2 number, since 2×225524134202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22552413421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573841 + ... + 611880.

It is an arithmetic number, because the mean of its divisors is an integer number (1319708586).

Almost surely, 222552413420 is an apocalyptic number.

22552413420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22552413420 is an abundant number, since it is smaller than the sum of its proper divisors (40793598708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22552413420 is a wasteful number, since it uses less digits than its factorization.

22552413420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186050 (or 1186048 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22552413420 its reverse (2431425522), we get a palindrome (24983838942).

The spelling of 22552413420 in words is "twenty-two billion, five hundred fifty-two million, four hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 317 634 951 1268 1585 1902 3170 3804 4755 6340 9510 19020 1185721 2371442 3557163 4742884 5928605 7114326 11857210 14228652 17785815 23714420 35571630 71143260 375873557 751747114 1127620671 1503494228 1879367785 2255241342 3758735570 4510482684 5638103355 7517471140 11276206710 22552413420