22441425645 has 24 divisors (see below), whose sum is σ = 36803445408. Its totient is φ = 11676826240.

The previous prime is 22441425623. The next prime is 22441425659. The reversal of 22441425645 is 54652414422.

It is not a de Polignac number, because 22441425645 - 2⁵ = 22441425613 is a prime.

It is a super-3 number, since 3×22441425645³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419787 + ... + 470216.

It is an arithmetic number, because the mean of its divisors is an integer number (1533476892).

Almost surely, 2^22441425645 is an apocalyptic number.

It is an amenable number.

22441425645 is a deficient number, since it is larger than the sum of its proper divisors (14362019763).

22441425645 is an equidigital number, since it uses as much as digits as its factorization.

22441425645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890093 (or 890052 counting only the distinct ones).

The product of its digits is 307200, while the sum is 39.

The spelling of 22441425645 in words is "twenty-two billion, four hundred forty-one million, four hundred twenty-five thousand, six hundred forty-five".