45222179 has 2 divisors, whose sum is σ = 45222180. Its totient is φ = 45222178.

The previous prime is 45222161. The next prime is 45222181. The reversal of 45222179 is 97122254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45222179 - 2²⁰ = 44173603 is a prime.

Together with 45222181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45222479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22611089 + 22611090.

It is an arithmetic number, because the mean of its divisors is an integer number (22611090).

Almost surely, 2^45222179 is an apocalyptic number.

45222179 is a deficient number, since it is larger than the sum of its proper divisors (1).

45222179 is an equidigital number, since it uses as much as digits as its factorization.

45222179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 45222179 is about 6724.7437869409. The cubic root of 45222179 is about 356.2737526381.

The spelling of 45222179 in words is "forty-five million, two hundred twenty-two thousand, one hundred seventy-nine".