647223514 has 8 divisors (see below), whose sum is σ = 1109526048. Its totient is φ = 277381500.

The previous prime is 647223503. The next prime is 647223529. The reversal of 647223514 is 415322746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 647223514.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23115112 + ... + 23115139.

It is an arithmetic number, because the mean of its divisors is an integer number (138690756).

Almost surely, 2^647223514 is an apocalyptic number.

647223514 is a deficient number, since it is larger than the sum of its proper divisors (462302534).

647223514 is a wasteful number, since it uses less digits than its factorization.

647223514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46230260.

The product of its digits is 40320, while the sum is 34.

The square root of 647223514 is about 25440.5879255964. The cubic root of 647223514 is about 865.0039600206.

The spelling of 647223514 in words is "six hundred forty-seven million, two hundred twenty-three thousand, five hundred fourteen".