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1422221010 = 23576772481
BaseRepresentation
bin101010011000101…
…0101111011010010
310200010011022110020
41110301111323102
510403042033020
6353043044310
750146451640
oct12461257322
93603138406
101422221010
1166a896771
12338370696
1319885bac2
14d6c58190
1584cd3c40
hex54c55ed2

1422221010 has 32 divisors (see below), whose sum is σ = 3900949632. Its totient is φ = 325079040.

The previous prime is 1422220999. The next prime is 1422221011. The reversal of 1422221010 is 101222241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1422221011) 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, 3386031 + ... + 3386450.

It is an arithmetic number, because the mean of its divisors is an integer number (121904676).

Almost surely, 21422221010 is an apocalyptic number.

1422221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1422221010 is an abundant number, since it is smaller than the sum of its proper divisors (2478728622).

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

1422221010 is a wasteful number, since it uses less digits than its factorization.

1422221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772498.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1422221010 is about 37712.3455913312. The cubic root of 1422221010 is about 1124.5765675602.

Adding to 1422221010 its reverse (101222241), we get a palindrome (1523443251).

The spelling of 1422221010 in words is "one billion, four hundred twenty-two million, two hundred twenty-one thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 6772481 13544962 20317443 33862405 40634886 47407367 67724810 94814734 101587215 142222101 203174430 237036835 284444202 474073670 711110505 1422221010