22432980 has 48 divisors (see below), whose sum is σ = 63887040. Its totient is φ = 5879808.

The previous prime is 22432967. The next prime is 22432987. The reversal of 22432980 is 8923422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22432987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372 + ... + 6708.

It is an arithmetic number, because the mean of its divisors is an integer number (1330980).

Almost surely, 2^22432980 is an apocalyptic number.

22432980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22432980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31943520).

22432980 is an abundant number, since it is smaller than the sum of its proper divisors (41454060).

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

22432980 is a wasteful number, since it uses less digits than its factorization.

22432980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408 (or 6406 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 22432980 is about 4736.3466933914. The cubic root of 22432980 is about 282.0302266277.

The spelling of 22432980 in words is "twenty-two million, four hundred thirty-two thousand, nine hundred eighty".