22006615432 has 16 divisors (see below), whose sum is σ = 42685245900. Its totient is φ = 10623883200.

The previous prime is 22006615429. The next prime is 22006615453. The reversal of 22006615432 is 23451660022.

It can be written as a sum of positive squares in 2 ways, for example, as 21997042596 + 9572836 = 148314^2 + 3094^2 .

It is a super-2 number, since 2×22006615432² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22006615394 and 22006615403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47427819 + ... + 47428282.

Almost surely, 2^22006615432 is an apocalyptic number.

It is an amenable number.

22006615432 is a deficient number, since it is larger than the sum of its proper divisors (20678630468).

22006615432 is a wasteful number, since it uses less digits than its factorization.

22006615432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94856136 (or 94856132 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 22006615432 in words is "twenty-two billion, six million, six hundred fifteen thousand, four hundred thirty-two".