422238902 has 8 divisors (see below), whose sum is σ = 636124800. Its totient is φ = 210197304.

The previous prime is 422238893. The next prime is 422238907. The reversal of 422238902 is 209832224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422238907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460502 + ... + 461417.

It is an arithmetic number, because the mean of its divisors is an integer number (79515600).

Almost surely, 2^422238902 is an apocalyptic number.

422238902 is a deficient number, since it is larger than the sum of its proper divisors (213885898).

422238902 is a wasteful number, since it uses less digits than its factorization.

422238902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922150.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 422238902 is about 20548.4525451432. The cubic root of 422238902 is about 750.2155836553.

The spelling of 422238902 in words is "four hundred twenty-two million, two hundred thirty-eight thousand, nine hundred two".