7226666586 has 20 divisors (see below), whose sum is σ = 16193086602. Its totient is φ = 2408888808.

The previous prime is 7226666509. The next prime is 7226666591. The reversal of 7226666586 is 6856666227.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6917082561 + 309584025 = 83169^2 + 17595^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22304365 + ... + 22304688.

Almost surely, 2^7226666586 is an apocalyptic number.

7226666586 is an abundant number, since it is smaller than the sum of its proper divisors (8966420016).

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

7226666586 is a wasteful number, since it uses less digits than its factorization.

7226666586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44609067 (or 44609058 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 7226666586 is about 85009.8028817853. The cubic root of 7226666586 is about 1933.3597493484.

The spelling of 7226666586 in words is "seven billion, two hundred twenty-six million, six hundred sixty-six thousand, five hundred eighty-six".