22202222202 has 32 divisors (see below), whose sum is σ = 49496952960. Its totient is φ = 7376938560.

The previous prime is 22202222197. The next prime is 22202222213. The reversal of 22202222202 is 20222220222.

22202222202 is a `hidden beast` number, since 2 + 220 + 222 + 220 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644223 + ... + 677810.

It is an arithmetic number, because the mean of its divisors is an integer number (1546779780).

Almost surely, 2^22202222202 is an apocalyptic number.

22202222202 is an abundant number, since it is smaller than the sum of its proper divisors (27294730758).

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

22202222202 is a wasteful number, since it uses less digits than its factorization.

22202222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322355 (or 1322349 counting only the distinct ones).

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

Adding to 22202222202 its reverse (20222220222), we get a palindrome (42424442424).

It can be divided in two parts, 22 and 202222202, that multiplied together give a palindrome (4448888444).

The spelling of 22202222202 in words is "twenty-two billion, two hundred two million, two hundred twenty-two thousand, two hundred two".