22354131 has 16 divisors (see below), whose sum is σ = 30983168. Its totient is φ = 14320800.

The previous prime is 22354063. The next prime is 22354151. The reversal of 22354131 is 13145322.

It is not a de Polignac number, because 22354131 - 2¹⁵ = 22321363 is a prime.

It is a super-2 number, since 2×22354131² = 999414345530322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22354098 and 22354107.

It is not an unprimeable number, because it can be changed into a prime (22354151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13836 + ... + 15366.

It is an arithmetic number, because the mean of its divisors is an integer number (1936448).

Almost surely, 2^22354131 is an apocalyptic number.

22354131 is a deficient number, since it is larger than the sum of its proper divisors (8629037).

22354131 is a wasteful number, since it uses less digits than its factorization.

22354131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722.

The product of its digits is 720, while the sum is 21.

The square root of 22354131 is about 4728.0155456597. The cubic root of 22354131 is about 281.6994055678.

Adding to 22354131 its reverse (13145322), we get a palindrome (35499453).

The spelling of 22354131 in words is "twenty-two million, three hundred fifty-four thousand, one hundred thirty-one".