422738592 has 96 divisors (see below), whose sum is σ = 1179650304. Its totient is φ = 132096000.

The previous prime is 422738587. The next prime is 422738593. The reversal of 422738592 is 295837224.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×422738592² = 357415834332284928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422738593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703092 + ... + 703692.

It is an arithmetic number, because the mean of its divisors is an integer number (12288024).

Almost surely, 2^422738592 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 422738592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589825152).

422738592 is an abundant number, since it is smaller than the sum of its proper divisors (756911712).

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

422738592 is a wasteful number, since it uses less digits than its factorization.

422738592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1054 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 422738592 is about 20560.6077731180. The cubic root of 422738592 is about 750.5114094235.

The spelling of 422738592 in words is "four hundred twenty-two million, seven hundred thirty-eight thousand, five hundred ninety-two".