22036331 has 2 divisors, whose sum is σ = 22036332. Its totient is φ = 22036330.

The previous prime is 22036327. The next prime is 22036387. The reversal of 22036331 is 13363022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22036331 - 2² = 22036327 is a prime.

It is a super-2 number, since 2×22036331² = 971199767883122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22036321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11018165 + 11018166.

It is an arithmetic number, because the mean of its divisors is an integer number (11018166).

Almost surely, 2^22036331 is an apocalyptic number.

22036331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22036331 is an equidigital number, since it uses as much as digits as its factorization.

22036331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 22036331 is about 4694.2870598207. The cubic root of 22036331 is about 280.3580920110.

Adding to 22036331 its reverse (13363022), we get a palindrome (35399353).

The spelling of 22036331 in words is "twenty-two million, thirty-six thousand, three hundred thirty-one".