422099946 has 12 divisors (see below), whose sum is σ = 914549922. Its totient is φ = 140699976.

The previous prime is 422099927. The next prime is 422099963. The reversal of 422099946 is 649990224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 417752721 + 4347225 = 20439^2 + 2085^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11724981 + ... + 11725016.

Almost surely, 2^422099946 is an apocalyptic number.

422099946 is an abundant number, since it is smaller than the sum of its proper divisors (492449976).

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

422099946 is a wasteful number, since it uses less digits than its factorization.

422099946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23450005 (or 23450002 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 422099946 is about 20545.0710877329. The cubic root of 422099946 is about 750.1332776480.

The spelling of 422099946 in words is "four hundred twenty-two million, ninety-nine thousand, nine hundred forty-six".