22377132 has 36 divisors (see below), whose sum is σ = 57253560. Its totient is φ = 7368192.

The previous prime is 22377109. The next prime is 22377139. The reversal of 22377132 is 23177322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 22377096 and 22377105.

It is not an unprimeable number, because it can be changed into a prime (22377139) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 757 + ... + 6732.

Almost surely, 2^22377132 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 22377132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28626780).

22377132 is an abundant number, since it is smaller than the sum of its proper divisors (34876428).

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

22377132 is a wasteful number, since it uses less digits than its factorization.

22377132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582 (or 7577 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 22377132 is about 4730.4473361406. The cubic root of 22377132 is about 281.7959894611.

The spelling of 22377132 in words is "twenty-two million, three hundred seventy-seven thousand, one hundred thirty-two".