7213042224 has 200 divisors, whose sum is σ = 21674898432. Its totient is φ = 2314085760.

The previous prime is 7213042189. The next prime is 7213042231. The reversal of 7213042224 is 4222403127.

7213042224 is a `hidden beast` number, since 7 + 213 + 0 + 422 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3955777 + ... + 3957599.

Almost surely, 2^7213042224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7213042224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10837449216).

7213042224 is an abundant number, since it is smaller than the sum of its proper divisors (14461856208).

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

7213042224 is a wasteful number, since it uses less digits than its factorization.

7213042224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 7213042224 is about 84929.6310129745. The cubic root of 7213042224 is about 1932.1440037719.

The spelling of 7213042224 in words is "seven billion, two hundred thirteen million, forty-two thousand, two hundred twenty-four".