422452979 has 8 divisors (see below), whose sum is σ = 456041040. Its totient is φ = 389020896.

The previous prime is 422452949. The next prime is 422452991. The reversal of 422452979 is 979254224.

It is a happy number.

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-422452979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422452909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33332 + ... + 44225.

It is an arithmetic number, because the mean of its divisors is an integer number (57005130).

Almost surely, 2^422452979 is an apocalyptic number.

422452979 is a deficient number, since it is larger than the sum of its proper divisors (33588061).

422452979 is a wasteful number, since it uses less digits than its factorization.

422452979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77989.

The product of its digits is 362880, while the sum is 44.

The square root of 422452979 is about 20553.6609634391. The cubic root of 422452979 is about 750.3423497791.

The spelling of 422452979 in words is "four hundred twenty-two million, four hundred fifty-two thousand, nine hundred seventy-nine".