22506512022 has 12 divisors (see below), whose sum is σ = 48764109420. Its totient is φ = 7502170668.

The previous prime is 22506511999. The next prime is 22506512029. The reversal of 22506512022 is 22021560522.

22506512022 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 651 + 2 + 0 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22506512029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625180872 + ... + 625180907.

It is an arithmetic number, because the mean of its divisors is an integer number (4063675785).

Almost surely, 2^22506512022 is an apocalyptic number.

22506512022 is an abundant number, since it is smaller than the sum of its proper divisors (26257597398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22506512022 is a wasteful number, since it uses less digits than its factorization.

22506512022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250361787 (or 1250361784 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 22506512022 in words is "twenty-two billion, five hundred six million, five hundred twelve thousand, twenty-two".