22751131 has 8 divisors (see below), whose sum is σ = 24812480. Its totient is φ = 20734272.

The previous prime is 22751111. The next prime is 22751137. The reversal of 22751131 is 13115722.

It is a happy number.

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

It is not a de Polignac number, because 22751131 - 2²¹ = 20653979 is a prime.

It is a super-2 number, since 2×22751131² = 1035227923558322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22751137) 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, 10050 + ... + 12103.

It is an arithmetic number, because the mean of its divisors is an integer number (3101560).

Almost surely, 2^22751131 is an apocalyptic number.

22751131 is a deficient number, since it is larger than the sum of its proper divisors (2061349).

22751131 is a wasteful number, since it uses less digits than its factorization.

22751131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22245.

The product of its digits is 420, while the sum is 22.

The square root of 22751131 is about 4769.8145666263. The cubic root of 22751131 is about 283.3572508837.

Adding to 22751131 its reverse (13115722), we get a palindrome (35866853).

The spelling of 22751131 in words is "twenty-two million, seven hundred fifty-one thousand, one hundred thirty-one".