718223488 has 16 divisors (see below), whose sum is σ = 1430836110. Its totient is φ = 359111680.

The previous prime is 718223479. The next prime is 718223501. The reversal of 718223488 is 884322817.

It can be written as a sum of positive squares in only one way, i.e., 512931904 + 205291584 = 22648^2 + 14328^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×718223488² = 1031689957429772288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805433 + ... + 2805688.

Almost surely, 2^718223488 is an apocalyptic number.

It is an amenable number.

718223488 is a deficient number, since it is larger than the sum of its proper divisors (712612622).

718223488 is an equidigital number, since it uses as much as digits as its factorization.

718223488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611135 (or 5611123 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 718223488 is about 26799.6919385280. The cubic root of 718223488 is about 895.5431876337.

The spelling of 718223488 in words is "seven hundred eighteen million, two hundred twenty-three thousand, four hundred eighty-eight".