715462221 has 16 divisors (see below), whose sum is σ = 1011970368. Its totient is φ = 448070400.

The previous prime is 715462217. The next prime is 715462339. The reversal of 715462221 is 122264517.

It is not a de Polignac number, because 715462221 - 2² = 715462217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715462201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14626 + ... + 40556.

It is an arithmetic number, because the mean of its divisors is an integer number (63248148).

Almost surely, 2^715462221 is an apocalyptic number.

It is an amenable number.

715462221 is a deficient number, since it is larger than the sum of its proper divisors (296508147).

715462221 is a wasteful number, since it uses less digits than its factorization.

715462221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26492.

The product of its digits is 6720, while the sum is 30.

The square root of 715462221 is about 26748.1255604949. The cubic root of 715462221 is about 894.3940515221.

The spelling of 715462221 in words is "seven hundred fifteen million, four hundred sixty-two thousand, two hundred twenty-one".