7572226394 has 8 divisors (see below), whose sum is σ = 12026477268. Its totient is φ = 3563400640.

The previous prime is 7572226373. The next prime is 7572226421. The reversal of 7572226394 is 4936222757.

It can be written as a sum of positive squares in 2 ways, for example, as 7365930625 + 206295769 = 85825^2 + 14363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7572226394² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111356237 + ... + 111356304.

Almost surely, 2^7572226394 is an apocalyptic number.

7572226394 is a deficient number, since it is larger than the sum of its proper divisors (4454250874).

7572226394 is a wasteful number, since it uses less digits than its factorization.

7572226394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222712560.

The product of its digits is 1270080, while the sum is 47.

The square root of 7572226394 is about 87018.5405186734. The cubic root of 7572226394 is about 1963.6972412756.

The spelling of 7572226394 in words is "seven billion, five hundred seventy-two million, two hundred twenty-six thousand, three hundred ninety-four".