222979755602 has 18 divisors (see below), whose sum is σ = 345639109527. Its totient is φ = 107883413100.

The previous prime is 222979755541. The next prime is 222979755611. The reversal of 222979755602 is 206557979222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111489877801 + 111489877801 = 333901^2 + 333901^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333901.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20696477 + ... + 20707247.

Almost surely, 2^222979755602 is an apocalyptic number.

222979755602 is a deficient number, since it is larger than the sum of its proper divisors (122659353925).

222979755602 is an frugal number, since it uses more digits than its factorization.

222979755602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21606 (or 10804 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 222979755602 in words is "two hundred twenty-two billion, nine hundred seventy-nine million, seven hundred fifty-five thousand, six hundred two".