422187552 has 60 divisors (see below), whose sum is σ = 1241649486. Its totient is φ = 140728320.

The previous prime is 422187547. The next prime is 422187583. The reversal of 422187552 is 255781224.

It is a happy number.

422187552 is a `hidden beast` number, since 4 + 2 + 21 + 87 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 312440976 + 109746576 = 17676^2 + 10476^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 78849 + ... + 84032.

Almost surely, 2^422187552 is an apocalyptic number.

It is an amenable number.

422187552 is an abundant number, since it is smaller than the sum of its proper divisors (819461934).

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

422187552 is a wasteful number, since it uses less digits than its factorization.

422187552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162903 (or 162886 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 422187552 is about 20547.2030213360. The cubic root of 422187552 is about 750.1851702789.

It can be divided in two parts, 42218 and 7552, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 422187552 in words is "four hundred twenty-two million, one hundred eighty-seven thousand, five hundred fifty-two".