223115764 has 6 divisors (see below), whose sum is σ = 390452594. Its totient is φ = 111557880.

The previous prime is 223115749. The next prime is 223115833. The reversal of 223115764 is 467511322.

It can be written as a sum of positive squares in only one way, i.e., 161493264 + 61622500 = 12708^2 + 7850^2 .

It is a super-3 number, since 3×223115764³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27889467 + ... + 27889474.

Almost surely, 2^223115764 is an apocalyptic number.

It is an amenable number.

223115764 is a deficient number, since it is larger than the sum of its proper divisors (167336830).

223115764 is a wasteful number, since it uses less digits than its factorization.

223115764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55778945 (or 55778943 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 223115764 is about 14937.0600855724. The cubic root of 223115764 is about 606.5176151692.

The spelling of 223115764 in words is "two hundred twenty-three million, one hundred fifteen thousand, seven hundred sixty-four".