422706888 has 36 divisors (see below), whose sum is σ = 1145303835. Its totient is φ = 140844144.

The previous prime is 422706847. The next prime is 422706901. The reversal of 422706888 is 888607224.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 211353444 + 211353444 = 14538^2 + 14538^2 .

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

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14538.

It is a super-2 number, since 2×422706888² = 357362226325289088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 173245 + ... + 175667.

Almost surely, 2^422706888 is an apocalyptic number.

It is an amenable number.

422706888 is an abundant number, since it is smaller than the sum of its proper divisors (722596947).

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

422706888 is an equidigital number, since it uses as much as digits as its factorization.

422706888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 422706888 is about 20559.8367697801. The cubic root of 422706888 is about 750.4926469944.

The spelling of 422706888 in words is "four hundred twenty-two million, seven hundred six thousand, eight hundred eighty-eight".