8457223402 has 16 divisors (see below), whose sum is σ = 13066840512. Its totient is φ = 4102912800.

The previous prime is 8457223391. The next prime is 8457223417. The reversal of 8457223402 is 2043227548.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312643 + ... + 338614.

It is an arithmetic number, because the mean of its divisors is an integer number (816677532).

Almost surely, 2^8457223402 is an apocalyptic number.

8457223402 is a deficient number, since it is larger than the sum of its proper divisors (4609617110).

8457223402 is a wasteful number, since it uses less digits than its factorization.

8457223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651453.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 8457223402 is about 91963.1632883515. The cubic root of 8457223402 is about 2037.3982757851.

The spelling of 8457223402 in words is "eight billion, four hundred fifty-seven million, two hundred twenty-three thousand, four hundred two".