422949213 has 12 divisors (see below), whose sum is σ = 630634368. Its totient is φ = 272870280.

The previous prime is 422949187. The next prime is 422949223. The reversal of 422949213 is 312949224.

It is not a de Polignac number, because 422949213 - 2²² = 418754909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422949223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757695 + ... + 758252.

It is an arithmetic number, because the mean of its divisors is an integer number (52552864).

Almost surely, 2^422949213 is an apocalyptic number.

It is an amenable number.

422949213 is a deficient number, since it is larger than the sum of its proper divisors (207685155).

422949213 is a wasteful number, since it uses less digits than its factorization.

422949213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515984 (or 1515981 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 422949213 is about 20565.7290899204. The cubic root of 422949213 is about 750.6360311334.

The spelling of 422949213 in words is "four hundred twenty-two million, nine hundred forty-nine thousand, two hundred thirteen".