22206902639 has 4 divisors (see below), whose sum is σ = 22625900856. Its totient is φ = 21787904424.

The previous prime is 22206902621. The next prime is 22206902659. The reversal of 22206902639 is 93620960222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93620960222 = 2 ⋅46810480111.

It is a cyclic number.

It is not a de Polignac number, because 22206902639 - 2³² = 17911935343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22206902596 and 22206902605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22206902659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209499029 + ... + 209499134.

It is an arithmetic number, because the mean of its divisors is an integer number (5656475214).

Almost surely, 2^22206902639 is an apocalyptic number.

22206902639 is a deficient number, since it is larger than the sum of its proper divisors (418998217).

22206902639 is an equidigital number, since it uses as much as digits as its factorization.

22206902639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418998216.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 22206902639 in words is "twenty-two billion, two hundred six million, nine hundred two thousand, six hundred thirty-nine".