222222100223203 has 4 divisors (see below), whose sum is σ = 223463564470440. Its totient is φ = 220980635975968.

The previous prime is 222222100223183. The next prime is 222222100223209. The reversal of 222222100223203 is 302322001222222.

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

It is a cyclic number.

It is not a de Polignac number, because 222222100223203 - 2²⁹ = 222221563352291 is a prime.

It is a super-2 number, since 2×222222100223203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222222100223209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620732123350 + ... + 620732123707.

It is an arithmetic number, because the mean of its divisors is an integer number (55865891117610).

Almost surely, 2^{222222100223203} is an apocalyptic number.

222222100223203 is a deficient number, since it is larger than the sum of its proper divisors (1241464247237).

222222100223203 is a wasteful number, since it uses less digits than its factorization.

222222100223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241464247236.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 222222100223203 its reverse (302322001222222), we get a palindrome (524544101445425).

The spelling of 222222100223203 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred million, two hundred twenty-three thousand, two hundred three".