7221716231630 has 8 divisors (see below), whose sum is σ = 12999089216952. Its totient is φ = 2888686492648.

The previous prime is 7221716231617. The next prime is 7221716231641. The reversal of 7221716231630 is 361326171227.

It is a happy number.

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

It is a congruent number.

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, 361085811572 + ... + 361085811591.

It is an arithmetic number, because the mean of its divisors is an integer number (1624886152119).

Almost surely, 2^{7221716231630} is an apocalyptic number.

7221716231630 is a deficient number, since it is larger than the sum of its proper divisors (5777372985322).

7221716231630 is a wasteful number, since it uses less digits than its factorization.

7221716231630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722171623170.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 7221716231630 in words is "seven trillion, two hundred twenty-one billion, seven hundred sixteen million, two hundred thirty-one thousand, six hundred thirty".