7223692689 has 6 divisors (see below), whose sum is σ = 10434222786. Its totient is φ = 4815795120.

The previous prime is 7223692673. The next prime is 7223692699. The reversal of 7223692689 is 9862963227.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4902380289 + 2321312400 = 70017^2 + 48180^2 .

It is not a de Polignac number, because 7223692689 - 2⁴ = 7223692673 is a prime.

It is a super-2 number, since 2×7223692689² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7223692699) 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, 401316252 + ... + 401316269.

It is an arithmetic number, because the mean of its divisors is an integer number (1739037131).

Almost surely, 2^7223692689 is an apocalyptic number.

It is an amenable number.

7223692689 is a deficient number, since it is larger than the sum of its proper divisors (3210530097).

7223692689 is a wasteful number, since it uses less digits than its factorization.

7223692689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802632527 (or 802632524 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 7223692689 is about 84992.3095873974. The cubic root of 7223692689 is about 1933.0945094180.

The spelling of 7223692689 in words is "seven billion, two hundred twenty-three million, six hundred ninety-two thousand, six hundred eighty-nine".