22220202222 has 24 divisors (see below), whose sum is σ = 49444955976. Its totient is φ = 7206551856.

The previous prime is 22220202211. The next prime is 22220202229.

22220202222 is a `hidden beast` number, since 22 + 220 + 202 + 222 = 666.

22220202222 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22220202195 and 22220202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220202229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16681168 + ... + 16682499.

It is an arithmetic number, because the mean of its divisors is an integer number (2060206499).

Almost surely, 2^22220202222 is an apocalyptic number.

22220202222 is an abundant number, since it is smaller than the sum of its proper divisors (27224753754).

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

22220202222 is a wasteful number, since it uses less digits than its factorization.

22220202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33363712 (or 33363709 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The spelling of 22220202222 in words is "twenty-two billion, two hundred twenty million, two hundred two thousand, two hundred twenty-two".