22521425045 has 8 divisors (see below), whose sum is σ = 30886525824. Its totient is φ = 15443262864.

The previous prime is 22521425041. The next prime is 22521425089. The reversal of 22521425045 is 54052412522.

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 22521425045 - 2² = 22521425041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22521425041) 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, 321734609 + ... + 321734678.

It is an arithmetic number, because the mean of its divisors is an integer number (3860815728).

Almost surely, 2^22521425045 is an apocalyptic number.

It is an amenable number.

22521425045 is a deficient number, since it is larger than the sum of its proper divisors (8365100779).

22521425045 is an equidigital number, since it uses as much as digits as its factorization.

22521425045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643469299.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 22521425045 its reverse (54052412522), we get a palindrome (76573837567).

The spelling of 22521425045 in words is "twenty-two billion, five hundred twenty-one million, four hundred twenty-five thousand, forty-five".