22525200013021 has 4 divisors (see below), whose sum is σ = 22525213856544. Its totient is φ = 22525186169500.

The previous prime is 22525200012989. The next prime is 22525200013037. The reversal of 22525200013021 is 12031000252522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22525200013021 - 2⁵ = 22525200012989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22525200011021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4096735 + ... + 7863436.

It is an arithmetic number, because the mean of its divisors is an integer number (5631303464136).

Almost surely, 2^{22525200013021} is an apocalyptic number.

It is an amenable number.

22525200013021 is a deficient number, since it is larger than the sum of its proper divisors (13843523).

22525200013021 is a wasteful number, since it uses less digits than its factorization.

22525200013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13843522.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 22525200013021 its reverse (12031000252522), we get a palindrome (34556200265543).

The spelling of 22525200013021 in words is "twenty-two trillion, five hundred twenty-five billion, two hundred million, thirteen thousand, twenty-one".