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22223442031 = 753596311609
BaseRepresentation
bin10100101100100111…
…101101000001101111
32010100210022211022121
4110230213231001233
5331003200121111
614113113253411
71414501066120
oct245447550157
963323284277
1022223442031
11947460aa1a
124382704267
1321322262cb
14110b706047
158a1068871
hex52c9ed06f

22223442031 has 32 divisors (see below), whose sum is σ = 26374118400. Its totient is φ = 18331971840.

The previous prime is 22223441993. The next prime is 22223442067. The reversal of 22223442031 is 13024432222.

It is not a de Polignac number, because 22223442031 - 221 = 22221344879 is a prime.

It is a super-2 number, since 2×222234420312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22223441987 and 22223442005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223442931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13811155 + ... + 13812763.

It is an arithmetic number, because the mean of its divisors is an integer number (824191200).

Almost surely, 222223442031 is an apocalyptic number.

22223442031 is a deficient number, since it is larger than the sum of its proper divisors (4150676369).

22223442031 is a wasteful number, since it uses less digits than its factorization.

22223442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22223442031 its reverse (13024432222), we get a palindrome (35247874253).

The spelling of 22223442031 in words is "twenty-two billion, two hundred twenty-three million, four hundred forty-two thousand, thirty-one".

Divisors: 1 7 53 59 371 413 631 1609 3127 4417 11263 21889 33443 37229 85277 94931 234101 260603 596939 664517 1015279 1973137 5031343 7106953 13811959 35219401 53809787 59901461 376668509 419310227 3174777433 22223442031