422979066 has 48 divisors (see below), whose sum is σ = 948250368. Its totient is φ = 136123200.

The previous prime is 422979059. The next prime is 422979071. The reversal of 422979066 is 660979224.

It is a super-2 number, since 2×422979066² = 357822580548464712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385030 + ... + 386126.

It is an arithmetic number, because the mean of its divisors is an integer number (19755216).

Almost surely, 2^422979066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422979066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474125184).

422979066 is an abundant number, since it is smaller than the sum of its proper divisors (525271302).

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

422979066 is a wasteful number, since it uses less digits than its factorization.

422979066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 422979066 is about 20566.4548719511. The cubic root of 422979066 is about 750.6536914178.

The spelling of 422979066 in words is "four hundred twenty-two million, nine hundred seventy-nine thousand, sixty-six".