422932390 has 16 divisors (see below), whose sum is σ = 763094160. Its totient is φ = 168769440.

The previous prime is 422932387. The next prime is 422932397. The reversal of 422932390 is 93239224.

It is a happy number.

It is a super-2 number, since 2×422932390² = 357743613022224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422932397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46020 + ... + 54439.

It is an arithmetic number, because the mean of its divisors is an integer number (47693385).

Almost surely, 2^422932390 is an apocalyptic number.

422932390 is a deficient number, since it is larger than the sum of its proper divisors (340161770).

422932390 is a wasteful number, since it uses less digits than its factorization.

422932390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100887.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 422932390 is about 20565.3200801738. The cubic root of 422932390 is about 750.6260787033.

The spelling of 422932390 in words is "four hundred twenty-two million, nine hundred thirty-two thousand, three hundred ninety".