422390448 has 30 divisors (see below), whose sum is σ = 1182107004. Its totient is φ = 140796768.

The previous prime is 422390411. The next prime is 422390459. The reversal of 422390448 is 844093224.

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

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1466490 + ... + 1466777.

Almost surely, 2^422390448 is an apocalyptic number.

422390448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

422390448 is an abundant number, since it is smaller than the sum of its proper divisors (759716556).

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

422390448 is a wasteful number, since it uses less digits than its factorization.

422390448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933281 (or 2933272 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 422390448 is about 20552.1397426156. The cubic root of 422390448 is about 750.3053263509.

The spelling of 422390448 in words is "four hundred twenty-two million, three hundred ninety thousand, four hundred forty-eight".