223774389 has 6 divisors (see below), whose sum is σ = 323229686. Its totient is φ = 149182920.

The previous prime is 223774367. The next prime is 223774477. The reversal of 223774389 is 983477322.

It can be written as a sum of positive squares in only one way, i.e., 129004164 + 94770225 = 11358^2 + 9735^2 .

It is not a de Polignac number, because 223774389 - 2⁵ = 223774357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223770389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12431902 + ... + 12431919.

Almost surely, 2^223774389 is an apocalyptic number.

It is an amenable number.

223774389 is a deficient number, since it is larger than the sum of its proper divisors (99455297).

223774389 is a wasteful number, since it uses less digits than its factorization.

223774389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24863827 (or 24863824 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 223774389 is about 14959.0905137980. The cubic root of 223774389 is about 607.1138306822.

The spelling of 223774389 in words is "two hundred twenty-three million, seven hundred seventy-four thousand, three hundred eighty-nine".