422545284 has 36 divisors (see below), whose sum is σ = 1220687104. Its totient is φ = 120727152.

The previous prime is 422545273. The next prime is 422545327. The reversal of 422545284 is 482545224.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 838132 + ... + 838635.

Almost surely, 2^422545284 is an apocalyptic number.

It is an amenable number.

422545284 is an abundant number, since it is smaller than the sum of its proper divisors (798141820).

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

422545284 is a wasteful number, since it uses less digits than its factorization.

422545284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676784 (or 1676779 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

The square root of 422545284 is about 20555.9063045150. The cubic root of 422545284 is about 750.3969951561.

The spelling of 422545284 in words is "four hundred twenty-two million, five hundred forty-five thousand, two hundred eighty-four".