22406457321 has 12 divisors (see below), whose sum is σ = 32470309872. Its totient is φ = 14888979576.

The previous prime is 22406457277. The next prime is 22406457343. The reversal of 22406457321 is 12375460422.

22406457321 is a `hidden beast` number, since 2 + 2 + 4 + 0 + 64 + 573 + 21 = 666.

It is not a de Polignac number, because 22406457321 - 2⁶ = 22406457257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22406457371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4051971 + ... + 4057496.

It is an arithmetic number, because the mean of its divisors is an integer number (2705859156).

Almost surely, 2^22406457321 is an apocalyptic number.

It is an amenable number.

22406457321 is a deficient number, since it is larger than the sum of its proper divisors (10063852551).

22406457321 is a wasteful number, since it uses less digits than its factorization.

22406457321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109780 (or 8109777 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 22406457321 in words is "twenty-two billion, four hundred six million, four hundred fifty-seven thousand, three hundred twenty-one".