728822662 has 4 divisors (see below), whose sum is σ = 1093233996. Its totient is φ = 364411330.

The previous prime is 728822659. The next prime is 728822671. The reversal of 728822662 is 266228827.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182205664 + ... + 182205667.

It is an arithmetic number, because the mean of its divisors is an integer number (273308499).

Almost surely, 2^728822662 is an apocalyptic number.

728822662 is a deficient number, since it is larger than the sum of its proper divisors (364411334).

728822662 is a wasteful number, since it uses less digits than its factorization.

728822662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364411333.

The product of its digits is 258048, while the sum is 43.

The square root of 728822662 is about 26996.7157632183. The cubic root of 728822662 is about 899.9270154807.

The spelling of 728822662 in words is "seven hundred twenty-eight million, eight hundred twenty-two thousand, six hundred sixty-two".