7274638224 has 120 divisors (see below), whose sum is σ = 24491954240. Its totient is φ = 1969069824.

The previous prime is 7274638207. The next prime is 7274638247. The reversal of 7274638224 is 4228364727.

7274638224 is a `hidden beast` number, since 7 + 2 + 7 + 4 + 638 + 2 + 2 + 4 = 666.

It is a super-2 number, since 2×7274638224² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 7274638224.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170767 + ... + 209070.

Almost surely, 2^7274638224 is an apocalyptic number.

It is an amenable number.

7274638224 is an abundant number, since it is smaller than the sum of its proper divisors (17217316016).

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

7274638224 is a wasteful number, since it uses less digits than its factorization.

7274638224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379877 (or 379868 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The square root of 7274638224 is about 85291.4897513228. The cubic root of 7274638224 is about 1937.6282902717.

The spelling of 7274638224 in words is "seven billion, two hundred seventy-four million, six hundred thirty-eight thousand, two hundred twenty-four".