422406452 has 24 divisors (see below), whose sum is σ = 796682376. Its totient is φ = 194807808.

The previous prime is 422406451. The next prime is 422406469. The reversal of 422406452 is 254604224.

It can be written as a sum of positive squares in 4 ways, for example, as 80748196 + 341658256 = 8986^2 + 18484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422406451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95228 + ... + 99564.

It is an arithmetic number, because the mean of its divisors is an integer number (33195099).

Almost surely, 2^422406452 is an apocalyptic number.

It is an amenable number.

422406452 is a deficient number, since it is larger than the sum of its proper divisors (374275924).

422406452 is a wasteful number, since it uses less digits than its factorization.

422406452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227 (or 6225 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 422406452 is about 20552.5290901144. The cubic root of 422406452 is about 750.3148023660.

The spelling of 422406452 in words is "four hundred twenty-two million, four hundred six thousand, four hundred fifty-two".