223087136 has 12 divisors (see below), whose sum is σ = 439202862. Its totient is φ = 111543552.

The previous prime is 223087093. The next prime is 223087147. The reversal of 223087136 is 631780322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 153264400 + 69822736 = 12380^2 + 8356^2 .

It is a super-3 number, since 3×223087136³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 6971473 = 223087136 / (2 + 2 + 3 + 0 + 8 + 7 + 1 + 3 + 6).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3485705 + ... + 3485768.

Almost surely, 2^223087136 is an apocalyptic number.

It is an amenable number.

223087136 is a deficient number, since it is larger than the sum of its proper divisors (216115726).

223087136 is an equidigital number, since it uses as much as digits as its factorization.

223087136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971483 (or 6971475 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 223087136 is about 14936.1017671948. The cubic root of 223087136 is about 606.4916732864.

The spelling of 223087136 in words is "two hundred twenty-three million, eighty-seven thousand, one hundred thirty-six".