422452156 has 48 divisors (see below), whose sum is σ = 891385600. Its totient is φ = 171134208.

The previous prime is 422452139. The next prime is 422452183. The reversal of 422452156 is 651254224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418180 + ... + 419188.

Almost surely, 2^422452156 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 422452156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445692800).

422452156 is an abundant number, since it is smaller than the sum of its proper divisors (468933444).

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

422452156 is a wasteful number, since it uses less digits than its factorization.

422452156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1824 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 422452156 is about 20553.6409426651. The cubic root of 422452156 is about 750.3418625201.

The spelling of 422452156 in words is "four hundred twenty-two million, four hundred fifty-two thousand, one hundred fifty-six".