422361979 has 4 divisors (see below), whose sum is σ = 454851376. Its totient is φ = 389872584.

The previous prime is 422361977. The next prime is 422361983. The reversal of 422361979 is 979163224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422361979 - 2¹ = 422361977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422361971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16244679 + ... + 16244704.

It is an arithmetic number, because the mean of its divisors is an integer number (113712844).

Almost surely, 2^422361979 is an apocalyptic number.

422361979 is a deficient number, since it is larger than the sum of its proper divisors (32489397).

422361979 is a wasteful number, since it uses less digits than its factorization.

422361979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32489396.

The product of its digits is 163296, while the sum is 43.

The square root of 422361979 is about 20551.4471266624. The cubic root of 422361979 is about 750.2884691813.

The spelling of 422361979 in words is "four hundred twenty-two million, three hundred sixty-one thousand, nine hundred seventy-nine".