422153212 has 18 divisors (see below), whose sum is σ = 799969128. Its totient is φ = 194839632.

The previous prime is 422153183. The next prime is 422153213. The reversal of 422153212 is 212351224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422153213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311568 + ... + 312919.

Almost surely, 2^422153212 is an apocalyptic number.

It is an amenable number.

422153212 is a deficient number, since it is larger than the sum of its proper divisors (377815916).

422153212 is a wasteful number, since it uses less digits than its factorization.

422153212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624517 (or 624502 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 422153212 is about 20546.3673674935. The cubic root of 422153212 is about 750.1648301424.

The spelling of 422153212 in words is "four hundred twenty-two million, one hundred fifty-three thousand, two hundred twelve".