222123013202 has 4 divisors (see below), whose sum is σ = 333184519806. Its totient is φ = 111061506600.

The previous prime is 222123013139. The next prime is 222123013267. The reversal of 222123013202 is 202310321222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160687937881 + 61435075321 = 400859^2 + 247861^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55530753299 + ... + 55530753302.

Almost surely, 2^222123013202 is an apocalyptic number.

222123013202 is a deficient number, since it is larger than the sum of its proper divisors (111061506604).

222123013202 is a wasteful number, since it uses less digits than its factorization.

222123013202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111061506603.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222123013202 its reverse (202310321222), we get a palindrome (424433334424).

The spelling of 222123013202 in words is "two hundred twenty-two billion, one hundred twenty-three million, thirteen thousand, two hundred two".