22625247645 has 432 divisors, whose sum is σ = 56015286912. Its totient is φ = 8515653120.

The previous prime is 22625247643. The next prime is 22625247647. The reversal of 22625247645 is 54674252622.

It is a happy number.

22625247645 is a `hidden beast` number, since 2 + 2 + 62 + 524 + 7 + 64 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (22625247643) and next prime (22625247647).

It is not a de Polignac number, because 22625247645 - 2¹ = 22625247643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (1612800) is a multiple of the sum of its prime factors (126).

It is a self number, because there is not a number n which added to its sum of digits gives 22625247645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22625247643) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 426891439 + ... + 426891491.

It is an arithmetic number, because the mean of its divisors is an integer number (129665016).

Almost surely, 2^22625247645 is an apocalyptic number.

It is an amenable number.

22625247645 is an abundant number, since it is smaller than the sum of its proper divisors (33390039267).

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

22625247645 is an equidigital number, since it uses as much as digits as its factorization.

22625247645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 92 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The spelling of 22625247645 in words is "twenty-two billion, six hundred twenty-five million, two hundred forty-seven thousand, six hundred forty-five".