7223877172 has 6 divisors (see below), whose sum is σ = 12641785058. Its totient is φ = 3611938584.

The previous prime is 7223877161. The next prime is 7223877173. The reversal of 7223877172 is 2717783227.

It can be written as a sum of positive squares in only one way, i.e., 6670968976 + 552908196 = 81676^2 + 23514^2 .

It is a super-2 number, since 2×7223877172² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7223877173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902984643 + ... + 902984650.

Almost surely, 2^7223877172 is an apocalyptic number.

It is an amenable number.

7223877172 is a deficient number, since it is larger than the sum of its proper divisors (5417907886).

7223877172 is a wasteful number, since it uses less digits than its factorization.

7223877172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805969297 (or 1805969295 counting only the distinct ones).

The product of its digits is 460992, while the sum is 46.

The square root of 7223877172 is about 84993.3948727782. The cubic root of 7223877172 is about 1933.1109654539.

The spelling of 7223877172 in words is "seven billion, two hundred twenty-three million, eight hundred seventy-seven thousand, one hundred seventy-two".