657352223 has 12 divisors (see below), whose sum is σ = 739353384. Its totient is φ = 583690800.

The previous prime is 657352207. The next prime is 657352231. The reversal of 657352223 is 322253756.

It is not a de Polignac number, because 657352223 - 2⁴ = 657352207 is a prime.

It is a super-2 number, since 2×657352223² = 864223890166083458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657312223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57968 + ... + 68373.

It is an arithmetic number, because the mean of its divisors is an integer number (61612782).

Almost surely, 2^657352223 is an apocalyptic number.

657352223 is a deficient number, since it is larger than the sum of its proper divisors (82001161).

657352223 is a wasteful number, since it uses less digits than its factorization.

657352223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126406 (or 126395 counting only the distinct ones).

The product of its digits is 75600, while the sum is 35.

The square root of 657352223 is about 25638.8810793295. The cubic root of 657352223 is about 869.4929105543.

The spelling of 657352223 in words is "six hundred fifty-seven million, three hundred fifty-two thousand, two hundred twenty-three".