223157322 has 32 divisors (see below), whose sum is σ = 496445760. Its totient is φ = 74304720.

The previous prime is 223157281. The next prime is 223157329. The reversal of 223157322 is 223751322.

It is a happy number.

223157322 is a `hidden beast` number, since 22 + 315 + 7 + 322 = 666.

It is a super-3 number, since 3×223157322³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (223157329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67672 + ... + 70892.

It is an arithmetic number, because the mean of its divisors is an integer number (15513930).

Almost surely, 2^223157322 is an apocalyptic number.

223157322 is an abundant number, since it is smaller than the sum of its proper divisors (273288438).

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

223157322 is a wasteful number, since it uses less digits than its factorization.

223157322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515 (or 4509 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 223157322 is about 14938.4511245309. The cubic root of 223157322 is about 606.5552699032. Note that the first 3 decimals are identical.

The spelling of 223157322 in words is "two hundred twenty-three million, one hundred fifty-seven thousand, three hundred twenty-two".