420122234 has 16 divisors (see below), whose sum is σ = 724526208. Its totient is φ = 178973232.

The previous prime is 420122221. The next prime is 420122267. The reversal of 420122234 is 432221024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87509 + ... + 92184.

It is an arithmetic number, because the mean of its divisors is an integer number (45282888).

Almost surely, 2^420122234 is an apocalyptic number.

420122234 is a deficient number, since it is larger than the sum of its proper divisors (304403974).

420122234 is a wasteful number, since it uses less digits than its factorization.

420122234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179869.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 420122234 is about 20496.8835192085. The cubic root of 420122234 is about 748.9598820582.

Adding to 420122234 its reverse (432221024), we get a palindrome (852343258).

The spelling of 420122234 in words is "four hundred twenty million, one hundred twenty-two thousand, two hundred thirty-four".