22284631 has 4 divisors (see below), whose sum is σ = 23253552. Its totient is φ = 21315712.

The previous prime is 22284623. The next prime is 22284641. The reversal of 22284631 is 13648222.

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 22284631 - 2³ = 22284623 is a prime.

It is a super-2 number, since 2×22284631² = 993209557612322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22284631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22284611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484426 + ... + 484471.

It is an arithmetic number, because the mean of its divisors is an integer number (5813388).

Almost surely, 2^22284631 is an apocalyptic number.

22284631 is a deficient number, since it is larger than the sum of its proper divisors (968921).

22284631 is an equidigital number, since it uses as much as digits as its factorization.

22284631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968920.

The product of its digits is 4608, while the sum is 28.

The square root of 22284631 is about 4720.6600174128. The cubic root of 22284631 is about 281.4071637812.

It can be divided in two parts, 2228 and 4631, that added together give a cube (6859 = 19³).

The spelling of 22284631 in words is "twenty-two million, two hundred eighty-four thousand, six hundred thirty-one".