22267631 has 4 divisors (see below), whose sum is σ = 22340472. Its totient is φ = 22194792.

The previous prime is 22267589. The next prime is 22267643. The reversal of 22267631 is 13676222.

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 22267631 - 2²² = 18073327 is a prime.

It is a super-2 number, since 2×22267631² = 991694780704322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22267594 and 22267603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22267691) 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, 35960 + ... + 36573.

It is an arithmetic number, because the mean of its divisors is an integer number (5585118).

Almost surely, 2^22267631 is an apocalyptic number.

22267631 is a deficient number, since it is larger than the sum of its proper divisors (72841).

22267631 is an equidigital number, since it uses as much as digits as its factorization.

22267631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72840.

The product of its digits is 6048, while the sum is 29.

The square root of 22267631 is about 4718.8590782095. The cubic root of 22267631 is about 281.3355877133.

The spelling of 22267631 in words is "twenty-two million, two hundred sixty-seven thousand, six hundred thirty-one".