223359779269446 has 16 divisors (see below), whose sum is σ = 446720063237424. Its totient is φ = 74453175640064.

The previous prime is 223359779269441. The next prime is 223359779269477. The reversal of 223359779269446 is 644962977953322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223359779269441) 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, 15149355 + ... + 26004278.

It is an arithmetic number, because the mean of its divisors is an integer number (27920003952339).

Almost surely, 2^{223359779269446} is an apocalyptic number.

223359779269446 is an abundant number, since it is smaller than the sum of its proper divisors (223360283967978).

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

223359779269446 is a wasteful number, since it uses less digits than its factorization.

223359779269446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42058215.

The product of its digits is 7407106560, while the sum is 78.

The spelling of 223359779269446 in words is "two hundred twenty-three trillion, three hundred fifty-nine billion, seven hundred seventy-nine million, two hundred sixty-nine thousand, four hundred forty-six".