647223062 has 4 divisors (see below), whose sum is σ = 970834596. Its totient is φ = 323611530.

The previous prime is 647223061. The next prime is 647223103. The reversal of 647223062 is 260322746.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647223061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161805764 + ... + 161805767.

It is an arithmetic number, because the mean of its divisors is an integer number (242708649).

Almost surely, 2^647223062 is an apocalyptic number.

647223062 is a deficient number, since it is larger than the sum of its proper divisors (323611534).

647223062 is a wasteful number, since it uses less digits than its factorization.

647223062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323611533.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 647223062 is about 25440.5790421523. The cubic root of 647223062 is about 865.0037586570.

The spelling of 647223062 in words is "six hundred forty-seven million, two hundred twenty-three thousand, sixty-two".