22182380 has 24 divisors (see below), whose sum is σ = 50818320. Its totient is φ = 8066240.

The previous prime is 22182379. The next prime is 22182383. The reversal of 22182380 is 8328122.

It is not an unprimeable number, because it can be changed into a prime (22182383) 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, 50195 + ... + 50634.

It is an arithmetic number, because the mean of its divisors is an integer number (2117430).

Almost surely, 2^22182380 is an apocalyptic number.

22182380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22182380 is an abundant number, since it is smaller than the sum of its proper divisors (28635940).

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

22182380 is a wasteful number, since it uses less digits than its factorization.

22182380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100849 (or 100847 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 22182380 is about 4709.8174062271. The cubic root of 22182380 is about 280.9761000937.

The spelling of 22182380 in words is "twenty-two million, one hundred eighty-two thousand, three hundred eighty".