422396544 has 64 divisors (see below), whose sum is σ = 1133203680. Its totient is φ = 139392000.

The previous prime is 422396521. The next prime is 422396561. The reversal of 422396544 is 445693224.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33339 + ... + 44229.

Almost surely, 2^422396544 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 422396544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566601840).

422396544 is an abundant number, since it is smaller than the sum of its proper divisors (710807136).

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

422396544 is a wasteful number, since it uses less digits than its factorization.

422396544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11009 (or 10997 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 422396544 is about 20552.2880478063. The cubic root of 422396544 is about 750.3089358385.

The spelling of 422396544 in words is "four hundred twenty-two million, three hundred ninety-six thousand, five hundred forty-four".