422745213 has 16 divisors (see below), whose sum is σ = 627987456. Its totient is φ = 250757040.

The previous prime is 422745199. The next prime is 422745247. The reversal of 422745213 is 312547224.

It is not a de Polignac number, because 422745213 - 2⁶ = 422745149 is a prime.

It is a super-2 number, since 2×422745213² = 357427030228830738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422745413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134731 + ... + 137832.

It is an arithmetic number, because the mean of its divisors is an integer number (39249216).

Almost surely, 2^422745213 is an apocalyptic number.

It is an amenable number.

422745213 is a deficient number, since it is larger than the sum of its proper divisors (205242243).

422745213 is a wasteful number, since it uses less digits than its factorization.

422745213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272624.

The product of its digits is 13440, while the sum is 30.

The square root of 422745213 is about 20560.7687842649. The cubic root of 422745213 is about 750.5153276133.

The spelling of 422745213 in words is "four hundred twenty-two million, seven hundred forty-five thousand, two hundred thirteen".