662220568 has 16 divisors (see below), whose sum is σ = 1284480000. Its totient is φ = 319692576.

The previous prime is 662220557. The next prime is 662220569. The reversal of 662220568 is 865022266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662220569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426968 + ... + 1427431.

It is an arithmetic number, because the mean of its divisors is an integer number (80280000).

Almost surely, 2^662220568 is an apocalyptic number.

It is an amenable number.

662220568 is a deficient number, since it is larger than the sum of its proper divisors (622259432).

662220568 is a wasteful number, since it uses less digits than its factorization.

662220568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854434 (or 2854430 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 662220568 is about 25733.6466129462. The cubic root of 662220568 is about 871.6341190100.

The spelling of 662220568 in words is "six hundred sixty-two million, two hundred twenty thousand, five hundred sixty-eight".