422311290 has 32 divisors (see below), whose sum is σ = 1066893120. Its totient is φ = 106689024.

The previous prime is 422311277. The next prime is 422311301. The reversal of 422311290 is 92113224.

It is a super-2 number, since 2×422311290² = 356693651322928200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422311290.

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, 369879 + ... + 371018.

It is an arithmetic number, because the mean of its divisors is an integer number (33340410).

Almost surely, 2^422311290 is an apocalyptic number.

422311290 is an abundant number, since it is smaller than the sum of its proper divisors (644581830).

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

422311290 is a wasteful number, since it uses less digits than its factorization.

422311290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740926.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 422311290 is about 20550.2138675003. The cubic root of 422311290 is about 750.2584531480.

The spelling of 422311290 in words is "four hundred twenty-two million, three hundred eleven thousand, two hundred ninety".