422264340 has 120 divisors (see below), whose sum is σ = 1330853832. Its totient is φ = 112078080.

The previous prime is 422264329. The next prime is 422264369. The reversal of 422264340 is 43462224.

422264340 is a `hidden beast` number, since 4 + 2 + 226 + 434 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17288964 + 404975376 = 4158^2 + 20124^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 448270 + ... + 449210.

Almost surely, 2^422264340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422264340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665426916).

422264340 is an abundant number, since it is smaller than the sum of its proper divisors (908589492).

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

422264340 is a wasteful number, since it uses less digits than its factorization.

422264340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 422264340 is about 20549.0715118713. The cubic root of 422264340 is about 750.2306490607.

The spelling of 422264340 in words is "four hundred twenty-two million, two hundred sixty-four thousand, three hundred forty".