7972228634 has 8 divisors (see below), whose sum is σ = 12074443680. Its totient is φ = 3947414076.

The previous prime is 7972228633. The next prime is 7972228661. The reversal of 7972228634 is 4368222797.

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

It is a super-3 number, since 3×7972228634³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7972228631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19349864 + ... + 19350275.

It is an arithmetic number, because the mean of its divisors is an integer number (1509305460).

Almost surely, 2^7972228634 is an apocalyptic number.

7972228634 is a deficient number, since it is larger than the sum of its proper divisors (4102215046).

7972228634 is a wasteful number, since it uses less digits than its factorization.

7972228634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38700244.

The product of its digits is 2032128, while the sum is 50.

The square root of 7972228634 is about 89287.3374785025. The cubic root of 7972228634 is about 1997.6830363763.

The spelling of 7972228634 in words is "seven billion, nine hundred seventy-two million, two hundred twenty-eight thousand, six hundred thirty-four".