22590621901 has 4 divisors (see below), whose sum is σ = 22649605632. Its totient is φ = 22531638172.

The previous prime is 22590621871. The next prime is 22590621941. The reversal of 22590621901 is 10912609522.

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 22590621901 - 2⁷ = 22590621773 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 (22590621941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29491291 + ... + 29492056.

It is an arithmetic number, because the mean of its divisors is an integer number (5662401408).

Almost surely, 2^22590621901 is an apocalyptic number.

It is an amenable number.

22590621901 is a deficient number, since it is larger than the sum of its proper divisors (58983731).

22590621901 is an equidigital number, since it uses as much as digits as its factorization.

22590621901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58983730.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 22590621901 in words is "twenty-two billion, five hundred ninety million, six hundred twenty-one thousand, nine hundred one".