223255738 has 32 divisors (see below), whose sum is σ = 368640000. Its totient is φ = 101003760.

The previous prime is 223255723. The next prime is 223255741. The reversal of 223255738 is 837552322.

It is a happy number.

It is a super-3 number, since 3×223255738³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223255697 and 223255706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91863 + ... + 94261.

It is an arithmetic number, because the mean of its divisors is an integer number (11520000).

Almost surely, 2^223255738 is an apocalyptic number.

223255738 is a deficient number, since it is larger than the sum of its proper divisors (145384262).

223255738 is a wasteful number, since it uses less digits than its factorization.

223255738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530.

The product of its digits is 100800, while the sum is 37.

The square root of 223255738 is about 14941.7448110989. The cubic root of 223255738 is about 606.6444237038.

It can be divided in two parts, 2232 and 55738, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 223255738 in words is "two hundred twenty-three million, two hundred fifty-five thousand, seven hundred thirty-eight".