22706445631 has 4 divisors (see below), whose sum is σ = 22711031272. Its totient is φ = 22701859992.

The previous prime is 22706445611. The next prime is 22706445679. The reversal of 22706445631 is 13654460722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22706445631 - 2⁵ = 22706445599 is a prime.

It is a super-2 number, since 2×22706445631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22706445611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285385 + ... + 2295298.

It is an arithmetic number, because the mean of its divisors is an integer number (5677757818).

Almost surely, 2^22706445631 is an apocalyptic number.

22706445631 is a deficient number, since it is larger than the sum of its proper divisors (4585641).

22706445631 is an equidigital number, since it uses as much as digits as its factorization.

22706445631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585640.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 22706445631 in words is "twenty-two billion, seven hundred six million, four hundred forty-five thousand, six hundred thirty-one".