22705132 has 24 divisors (see below), whose sum is σ = 42230160. Its totient is φ = 10644480.

The previous prime is 22705129. The next prime is 22705139. The reversal of 22705132 is 23150722.

It is not an unprimeable number, because it can be changed into a prime (22705139) 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, 25332 + ... + 26212.

It is an arithmetic number, because the mean of its divisors is an integer number (1759590).

Almost surely, 2^22705132 is an apocalyptic number.

It is an amenable number.

22705132 is a deficient number, since it is larger than the sum of its proper divisors (19525028).

22705132 is a wasteful number, since it uses less digits than its factorization.

22705132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 22705132 is about 4764.9902413331. The cubic root of 22705132 is about 283.1661549720.

Adding to 22705132 its reverse (23150722), we get a palindrome (45855854).

The spelling of 22705132 in words is "twenty-two million, seven hundred five thousand, one hundred thirty-two".