716023221 has 24 divisors (see below), whose sum is σ = 1038946944. Its totient is φ = 438289920.

The previous prime is 716023219. The next prime is 716023247. The reversal of 716023221 is 122320617.

It is not a de Polignac number, because 716023221 - 2¹ = 716023219 is a prime.

It is a super-2 number, since 2×716023221² = 1025378506022429682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 716023191 and 716023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716023271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25476 + ... + 45618.

It is an arithmetic number, because the mean of its divisors is an integer number (43289456).

Almost surely, 2^716023221 is an apocalyptic number.

It is an amenable number.

716023221 is a deficient number, since it is larger than the sum of its proper divisors (322923723).

716023221 is a wasteful number, since it uses less digits than its factorization.

716023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20221 (or 20204 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 716023221 is about 26758.6102217585. The cubic root of 716023221 is about 894.6277577714.

Adding to 716023221 its reverse (122320617), we get a palindrome (838343838).

It can be divided in two parts, 7160 and 23221, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 716023221 in words is "seven hundred sixteen million, twenty-three thousand, two hundred twenty-one".