22033131 has 8 divisors (see below), whose sum is σ = 29422224. Its totient is φ = 14666400.

The previous prime is 22033117. The next prime is 22033133. The reversal of 22033131 is 13133022.

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

It is not a de Polignac number, because 22033131 - 2¹⁷ = 21902059 is a prime.

It is a super-2 number, since 2×22033131² = 970917723326322, 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 22033131.

It is not an unprimeable number, because it can be changed into a prime (22033133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3136 + ... + 7341.

It is an arithmetic number, because the mean of its divisors is an integer number (3677778).

Almost surely, 2^22033131 is an apocalyptic number.

22033131 is a deficient number, since it is larger than the sum of its proper divisors (7389093).

22033131 is a wasteful number, since it uses less digits than its factorization.

22033131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 22033131 is about 4693.9462076168. The cubic root of 22033131 is about 280.3445206452.

Adding to 22033131 its reverse (13133022), we get a palindrome (35166153).

The spelling of 22033131 in words is "twenty-two million, thirty-three thousand, one hundred thirty-one".