22701132 has 18 divisors (see below), whose sum is σ = 57383508. Its totient is φ = 7567032.

The previous prime is 22701131. The next prime is 22701139. The reversal of 22701132 is 23110722.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22701131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315258 + ... + 315329.

Almost surely, 2^22701132 is an apocalyptic number.

It is an amenable number.

22701132 is an abundant number, since it is smaller than the sum of its proper divisors (34682376).

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

22701132 is a wasteful number, since it uses less digits than its factorization.

22701132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630597 (or 630592 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 22701132 is about 4764.5704948085. The cubic root of 22701132 is about 283.1495253816.

Adding to 22701132 its reverse (23110722), we get a palindrome (45811854).

The spelling of 22701132 in words is "twenty-two million, seven hundred one thousand, one hundred thirty-two".