422017452 has 90 divisors (see below), whose sum is σ = 1172210732. Its totient is φ = 132368256.

The previous prime is 422017451. The next prime is 422017457. The reversal of 422017452 is 254710224.

422017452 is a `hidden beast` number, since 4 + 2 + 201 + 7 + 452 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (422017451) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 91383 + ... + 95889.

Almost surely, 2^422017452 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 422017452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586105366).

422017452 is an abundant number, since it is smaller than the sum of its proper divisors (750193280).

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

422017452 is a wasteful number, since it uses less digits than its factorization.

422017452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557 (or 4529 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 422017452 is about 20543.0633548164. The cubic root of 422017452 is about 750.0844065004.

Adding to 422017452 its reverse (254710224), we get a palindrome (676727676).

The spelling of 422017452 in words is "four hundred twenty-two million, seventeen thousand, four hundred fifty-two".