22700132 has 72 divisors (see below), whose sum is σ = 50944320. Its totient is φ = 8769600.

The previous prime is 22700131. The next prime is 22700141. The reversal of 22700132 is 23100722.

It is a self number, because there is not a number n which added to its sum of digits gives 22700132.

It is not an unprimeable number, because it can be changed into a prime (22700131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150257 + ... + 150407.

It is an arithmetic number, because the mean of its divisors is an integer number (707560).

Almost surely, 2^22700132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22700132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25472160).

22700132 is an abundant number, since it is smaller than the sum of its proper divisors (28244188).

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

22700132 is a wasteful number, since it uses less digits than its factorization.

22700132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 22700132 is about 4764.4655523993. The cubic root of 22700132 is about 283.1453676787.

Adding to 22700132 its reverse (23100722), we get a palindrome (45800854).

The spelling of 22700132 in words is "twenty-two million, seven hundred thousand, one hundred thirty-two".