422493028 has 24 divisors (see below), whose sum is σ = 758661120. Its totient is φ = 205750080.

The previous prime is 422493007. The next prime is 422493037. The reversal of 422493028 is 820394224.

It is a junction number, because it is equal to n+sod(n) for n = 422492984 and 422493002.

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, 116125 + ... + 119707.

It is an arithmetic number, because the mean of its divisors is an integer number (31610880).

Almost surely, 2^422493028 is an apocalyptic number.

It is an amenable number.

422493028 is a deficient number, since it is larger than the sum of its proper divisors (336168092).

422493028 is a wasteful number, since it uses less digits than its factorization.

422493028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347 (or 4345 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 422493028 is about 20554.6351950114. The cubic root of 422493028 is about 750.3660601191.

The spelling of 422493028 in words is "four hundred twenty-two million, four hundred ninety-three thousand, twenty-eight".