22031133 has 8 divisors (see below), whose sum is σ = 31102848. Its totient is φ = 13823424.

The previous prime is 22031129. The next prime is 22031137. The reversal of 22031133 is 33113022.

It is an interprime number because it is at equal distance from previous prime (22031129) and next prime (22031137).

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

It is not a de Polignac number, because 22031133 - 2² = 22031129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031137) 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 7 ways as a sum of consecutive naturals, for example, 215941 + ... + 216042.

It is an arithmetic number, because the mean of its divisors is an integer number (3887856).

Almost surely, 2^22031133 is an apocalyptic number.

It is an amenable number.

22031133 is a deficient number, since it is larger than the sum of its proper divisors (9071715).

22031133 is a wasteful number, since it uses less digits than its factorization.

22031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432003.

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

The square root of 22031133 is about 4693.7333754699. The cubic root of 22031133 is about 280.3360463573.

Adding to 22031133 its reverse (33113022), we get a palindrome (55144155).

The spelling of 22031133 in words is "twenty-two million, thirty-one thousand, one hundred thirty-three".