22222629641 has 2 divisors, whose sum is σ = 22222629642. Its totient is φ = 22222629640.

The previous prime is 22222629581. The next prime is 22222629659. The reversal of 22222629641 is 14692622222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18338847241 + 3883782400 = 135421^2 + 62320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22222629641 is a prime.

It is a super-2 number, since 2×22222629641² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22222629595 and 22222629604.

It is not a weakly prime, because it can be changed into another prime (22222629241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111314820 + 11111314821.

It is an arithmetic number, because the mean of its divisors is an integer number (11111314821).

Almost surely, 2^22222629641 is an apocalyptic number.

It is an amenable number.

22222629641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222629641 is an equidigital number, since it uses as much as digits as its factorization.

22222629641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The spelling of 22222629641 in words is "twenty-two billion, two hundred twenty-two million, six hundred twenty-nine thousand, six hundred forty-one".