22134231 has 36 divisors (see below), whose sum is σ = 37933272. Its totient is φ = 12396384.

The previous prime is 22134209. The next prime is 22134247. The reversal of 22134231 is 13243122.

It is not a de Polignac number, because 22134231 - 2⁵ = 22134199 is a prime.

It is a super-2 number, since 2×22134231² = 979848363922722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134631) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22900 + ... + 23846.

It is an arithmetic number, because the mean of its divisors is an integer number (1053702).

Almost surely, 2^22134231 is an apocalyptic number.

22134231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22134231 is a deficient number, since it is larger than the sum of its proper divisors (15799041).

22134231 is a wasteful number, since it uses less digits than its factorization.

22134231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1010 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 22134231 is about 4704.7030724585. The cubic root of 22134231 is about 280.7726575636.

Adding to 22134231 its reverse (13243122), we get a palindrome (35377353).

The spelling of 22134231 in words is "twenty-two million, one hundred thirty-four thousand, two hundred thirty-one".