716222220 has 72 divisors (see below), whose sum is σ = 2332847664. Its totient is φ = 163707264.

The previous prime is 716222219. The next prime is 716222239. The reversal of 716222220 is 22222617.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118867 + ... + 124746.

It is an arithmetic number, because the mean of its divisors is an integer number (32400662).

Almost surely, 2^716222220 is an apocalyptic number.

716222220 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

716222220 is an abundant number, since it is smaller than the sum of its proper divisors (1616625444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

716222220 is a wasteful number, since it uses less digits than its factorization.

716222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243639 (or 243630 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 716222220 is about 26762.3283740410. The cubic root of 716222220 is about 894.7106291707.

Adding to 716222220 its reverse (22222617), we get a palindrome (738444837).

The spelling of 716222220 in words is "seven hundred sixteen million, two hundred twenty-two thousand, two hundred twenty".