7221774630 has 64 divisors (see below), whose sum is σ = 19983656448. Its totient is φ = 1636078080.

The previous prime is 7221774629. The next prime is 7221774643. The reversal of 7221774630 is 364771227.

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 128436 + ... + 175895.

It is an arithmetic number, because the mean of its divisors is an integer number (312244632).

Almost surely, 2^7221774630 is an apocalyptic number.

7221774630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7221774630 is an abundant number, since it is smaller than the sum of its proper divisors (12761881818).

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

7221774630 is a wasteful number, since it uses less digits than its factorization.

7221774630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304461.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 7221774630 is about 84981.0251173755. The cubic root of 7221774630 is about 1932.9234003700.

The spelling of 7221774630 in words is "seven billion, two hundred twenty-one million, seven hundred seventy-four thousand, six hundred thirty".