22265331 has 24 divisors (see below), whose sum is σ = 33069120. Its totient is φ = 13313520.

The previous prime is 22265329. The next prime is 22265351. The reversal of 22265331 is 13356222.

It is not a de Polignac number, because 22265331 - 2¹ = 22265329 is a prime.

It is a super-2 number, since 2×22265331² = 991489929079122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22265351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29760 + ... + 30498.

It is an arithmetic number, because the mean of its divisors is an integer number (1377880).

Almost surely, 2^22265331 is an apocalyptic number.

22265331 is a deficient number, since it is larger than the sum of its proper divisors (10803789).

22265331 is a wasteful number, since it uses less digits than its factorization.

22265331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 836 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 22265331 is about 4718.6153689403. The cubic root of 22265331 is about 281.3259010949.

It can be divided in two parts, 2226 and 5331, that added together give a palindrome (7557).

The spelling of 22265331 in words is "twenty-two million, two hundred sixty-five thousand, three hundred thirty-one".