22231134 has 12 divisors (see below), whose sum is σ = 48167496. Its totient is φ = 7410372.

The previous prime is 22231067. The next prime is 22231147. The reversal of 22231134 is 43113222.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1235063 = 22231134 / (2 + 2 + 2 + 3 + 1 + 1 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617514 + ... + 617549.

It is an arithmetic number, because the mean of its divisors is an integer number (4013958).

Almost surely, 2^22231134 is an apocalyptic number.

22231134 is an abundant number, since it is smaller than the sum of its proper divisors (25936362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22231134 is a wasteful number, since it uses less digits than its factorization.

22231134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235071 (or 1235068 counting only the distinct ones).

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

The square root of 22231134 is about 4714.9903499371. The cubic root of 22231134 is about 281.1817991669.

Adding to 22231134 its reverse (43113222), we get a palindrome (65344356).

The spelling of 22231134 in words is "twenty-two million, two hundred thirty-one thousand, one hundred thirty-four".