679222701 has 6 divisors (see below), whose sum is σ = 981099470. Its totient is φ = 452815128.

The previous prime is 679222699. The next prime is 679222757. The reversal of 679222701 is 107222976.

It can be written as a sum of positive squares in only one way, i.e., 637310025 + 41912676 = 25245^2 + 6474^2 .

It is not a de Polignac number, because 679222701 - 2¹ = 679222699 is a prime.

It is a super-2 number, since 2×679222701² = 922686955107470802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679222771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37734586 + ... + 37734603.

Almost surely, 2^679222701 is an apocalyptic number.

It is an amenable number.

679222701 is a deficient number, since it is larger than the sum of its proper divisors (301876769).

679222701 is a wasteful number, since it uses less digits than its factorization.

679222701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75469195 (or 75469192 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 679222701 is about 26061.9013312536. The cubic root of 679222701 is about 879.0307428278.

The spelling of 679222701 in words is "six hundred seventy-nine million, two hundred twenty-two thousand, seven hundred one".