22612625641 has 8 divisors (see below), whose sum is σ = 22987155464. Its totient is φ = 22238219520.

The previous prime is 22612625621. The next prime is 22612625669. The reversal of 22612625641 is 14652621622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1465358400 + 21147267241 = 38280^2 + 145421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22612625641 - 2²¹ = 22610528489 is a prime.

It is a super-2 number, since 2×22612625641² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22612625641.

It is not an unprimeable number, because it can be changed into a prime (22612625621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383185 + ... + 438241.

It is an arithmetic number, because the mean of its divisors is an integer number (2873394433).

Almost surely, 2^22612625641 is an apocalyptic number.

It is an amenable number.

22612625641 is a deficient number, since it is larger than the sum of its proper divisors (374529823).

22612625641 is an equidigital number, since it uses as much as digits as its factorization.

22612625641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61851.

The product of its digits is 69120, while the sum is 37.

The spelling of 22612625641 in words is "twenty-two billion, six hundred twelve million, six hundred twenty-five thousand, six hundred forty-one".