11222142222 has 8 divisors (see below), whose sum is σ = 22444284456. Its totient is φ = 3740714072.

The previous prime is 11222142181. The next prime is 11222142247. The reversal of 11222142222 is 22224122211.

It is a sphenic number, since it is the product of 3 distinct primes.

11222142222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935178513 + ... + 935178524.

It is an arithmetic number, because the mean of its divisors is an integer number (2805535557).

Almost surely, 2^11222142222 is an apocalyptic number.

11222142222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222142222 is a wasteful number, since it uses less digits than its factorization.

11222142222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870357042.

The product of its digits is 512, while the sum is 21.

Adding to 11222142222 its reverse (22224122211), we get a palindrome (33446264433).

The spelling of 11222142222 in words is "eleven billion, two hundred twenty-two million, one hundred forty-two thousand, two hundred twenty-two".