222242023790656 has 21 divisors (see below), whose sum is σ = 441011752620781. Its totient is φ = 111120952264192.

The previous prime is 222242023790641. The next prime is 222242023790671. The reversal of 222242023790656 is 656097320242222.

The square root of 222242023790656 is 14907784.

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

It is an interprime number because it is at equal distance from previous prime (222242023790641) and next prime (222242023790671).

It can be written as a sum of positive squares in only one way, i.e., 159610881038400 + 62631142752256 = 12633720^2 + 7913984^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 118330536 + ... + 120194008.

Almost surely, 2^{222242023790656} is an apocalyptic number.

222242023790656 is the 14907784-th square number.

It is an amenable number.

222242023790656 is a deficient number, since it is larger than the sum of its proper divisors (218769728830125).

222242023790656 is an frugal number, since it uses more digits than its factorization.

222242023790656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726958 (or 1863475 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 222242023790656 in words is "two hundred twenty-two trillion, two hundred forty-two billion, twenty-three million, seven hundred ninety thousand, six hundred fifty-six".