22198022222 has 4 divisors (see below), whose sum is σ = 33297033336. Its totient is φ = 11099011110.

The previous prime is 22198022213. The next prime is 22198022243. The reversal of 22198022222 is 22222089122.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5549505554 + ... + 5549505557.

It is an arithmetic number, because the mean of its divisors is an integer number (8324258334).

Almost surely, 2^22198022222 is an apocalyptic number.

22198022222 is a deficient number, since it is larger than the sum of its proper divisors (11099011114).

22198022222 is a wasteful number, since it uses less digits than its factorization.

22198022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11099011113.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 22198022222 in words is "twenty-two billion, one hundred ninety-eight million, twenty-two thousand, two hundred twenty-two".