22450631 has 8 divisors (see below), whose sum is σ = 26204160. Its totient is φ = 18833688.

The previous prime is 22450627. The next prime is 22450643. The reversal of 22450631 is 13605422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22450631 - 2² = 22450627 is a prime.

It is a super-2 number, since 2×22450631² = 1008061664596322, 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 = 22450597 and 22450606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33791 + ... + 34448.

It is an arithmetic number, because the mean of its divisors is an integer number (3275520).

Almost surely, 2^22450631 is an apocalyptic number.

22450631 is a deficient number, since it is larger than the sum of its proper divisors (3753529).

22450631 is an equidigital number, since it uses as much as digits as its factorization.

22450631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68293.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22450631 is about 4738.2096829921. The cubic root of 22450631 is about 282.1041774277.

The spelling of 22450631 in words is "twenty-two million, four hundred fifty thousand, six hundred thirty-one".