422244690 has 32 divisors (see below), whose sum is σ = 1158157440. Its totient is φ = 96513024.

The previous prime is 422244661. The next prime is 422244709. The reversal of 422244690 is 96442224.

It is a super-2 number, since 2×422244690² = 356581156466392200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005135 + ... + 1005554.

It is an arithmetic number, because the mean of its divisors is an integer number (36192420).

Almost surely, 2^422244690 is an apocalyptic number.

422244690 is an abundant number, since it is smaller than the sum of its proper divisors (735912750).

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

422244690 is a wasteful number, since it uses less digits than its factorization.

422244690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010706.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 422244690 is about 20548.5933825165. The cubic root of 422244690 is about 750.2190115946.

The spelling of 422244690 in words is "four hundred twenty-two million, two hundred forty-four thousand, six hundred ninety".