22322145906 has 12 divisors (see below), whose sum is σ = 48364649502. Its totient is φ = 7440715296.

The previous prime is 22322145899. The next prime is 22322145941. The reversal of 22322145906 is 60954122322.

22322145906 is a `hidden beast` number, since 22 + 32 + 2 + 14 + 590 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21435595281 + 886550625 = 146409^2 + 29775^2 .

It is a super-3 number, since 3×22322145906³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620059591 + ... + 620059626.

Almost surely, 2^22322145906 is an apocalyptic number.

22322145906 is an abundant number, since it is smaller than the sum of its proper divisors (26042503596).

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

22322145906 is a wasteful number, since it uses less digits than its factorization.

22322145906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240119225 (or 1240119222 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 22322145906 in words is "twenty-two billion, three hundred twenty-two million, one hundred forty-five thousand, nine hundred six".