22336631 has 2 divisors, whose sum is σ = 22336632. Its totient is φ = 22336630.

The previous prime is 22336627. The next prime is 22336663. The reversal of 22336631 is 13663322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22336631 - 2² = 22336627 is a prime.

It is a super-2 number, since 2×22336631² = 997850168860322, 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 22336631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22336681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11168315 + 11168316.

It is an arithmetic number, because the mean of its divisors is an integer number (11168316).

Almost surely, 2^22336631 is an apocalyptic number.

22336631 is a deficient number, since it is larger than the sum of its proper divisors (1).

22336631 is an equidigital number, since it uses as much as digits as its factorization.

22336631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 26.

The square root of 22336631 is about 4726.1645125831. The cubic root of 22336631 is about 281.6258766292.

Adding to 22336631 its reverse (13663322), we get a palindrome (35999953).

The spelling of 22336631 in words is "twenty-two million, three hundred thirty-six thousand, six hundred thirty-one".