222124632601 has 3 divisors (see below), whose sum is σ = 222125103903. Its totient is φ = 222124161300.

The previous prime is 222124632577. The next prime is 222124632659. The reversal of 222124632601 is 106236421222.

The square root of 222124632601 is 471301.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 50579560201 + 171545072400 = 224899^2 + 414180^2 .

It is a de Polignac number, because none of the positive numbers 2^k-222124632601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222124642601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 235651 + ... + 706951.

It is an arithmetic number, because the mean of its divisors is an integer number (74041701301).

Almost surely, 2^222124632601 is an apocalyptic number.

222124632601 is the 471301-st square number.

222124632601 is the 235651-st centered octagonal number.

It is an amenable number.

222124632601 is a deficient number, since it is larger than the sum of its proper divisors (471302).

222124632601 is an frugal number, since it uses more digits than its factorization.

222124632601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942602 (or 471301 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 222124632601 in words is "two hundred twenty-two billion, one hundred twenty-four million, six hundred thirty-two thousand, six hundred one".