815233422 has 16 divisors (see below), whose sum is σ = 1670234832. Its totient is φ = 265116480.

The previous prime is 815233411. The next prime is 815233429. The reversal of 815233422 is 224332518.

It is a self number, because there is not a number n which added to its sum of digits gives 815233422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815233429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656733 + ... + 1657224.

It is an arithmetic number, because the mean of its divisors is an integer number (104389677).

Almost surely, 2^815233422 is an apocalyptic number.

815233422 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

815233422 is an abundant number, since it is smaller than the sum of its proper divisors (855001410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

815233422 is a wasteful number, since it uses less digits than its factorization.

815233422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314003.

The product of its digits is 11520, while the sum is 30.

The square root of 815233422 is about 28552.2927625786. The cubic root of 815233422 is about 934.1730310804.

The spelling of 815233422 in words is "eight hundred fifteen million, two hundred thirty-three thousand, four hundred twenty-two".