22751132 has 12 divisors (see below), whose sum is σ = 41910120. Its totient is φ = 10776816.

The previous prime is 22751111. The next prime is 22751137. The reversal of 22751132 is 23115722.

It is a happy number.

It is a super-2 number, since 2×22751132² = 1035228014562848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22751098 and 22751107.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 149603 + ... + 149754.

It is an arithmetic number, because the mean of its divisors is an integer number (3492510).

Almost surely, 2^22751132 is an apocalyptic number.

It is an amenable number.

22751132 is a deficient number, since it is larger than the sum of its proper divisors (19158988).

22751132 is a wasteful number, since it uses less digits than its factorization.

22751132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299380 (or 299378 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 22751132 is about 4769.8146714521. The cubic root of 22751132 is about 283.3572550352.

Adding to 22751132 its reverse (23115722), we get a palindrome (45866854).

The spelling of 22751132 in words is "twenty-two million, seven hundred fifty-one thousand, one hundred thirty-two".