22180379 has 8 divisors (see below), whose sum is σ = 23956800. Its totient is φ = 20414016.

The previous prime is 22180357. The next prime is 22180399. The reversal of 22180379 is 97308122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22180379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22180309) 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, 2447 + ... + 7095.

It is an arithmetic number, because the mean of its divisors is an integer number (2994600).

Almost surely, 2^22180379 is an apocalyptic number.

22180379 is a deficient number, since it is larger than the sum of its proper divisors (1776421).

22180379 is a wasteful number, since it uses less digits than its factorization.

22180379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 22180379 is about 4709.6049728188. The cubic root of 22180379 is about 280.9676511944.

The spelling of 22180379 in words is "twenty-two million, one hundred eighty thousand, three hundred seventy-nine".