22221211102222 has 32 divisors (see below), whose sum is σ = 37541866457088. Its totient is φ = 9772924860000.

The previous prime is 22221211102219. The next prime is 22221211102309. The reversal of 22221211102222 is 22220111212222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22221211102193 and 22221211102202.

It is a congruent number.

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, 704272 + ... + 6703612.

It is an arithmetic number, because the mean of its divisors is an integer number (1173183326784).

Almost surely, 2^{22221211102222} is an apocalyptic number.

22221211102222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221211102222 is a deficient number, since it is larger than the sum of its proper divisors (15320655354866).

22221211102222 is a wasteful number, since it uses less digits than its factorization.

22221211102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004816.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22221211102222 its reverse (22220111212222), we get a palindrome (44441322314444).

The spelling of 22221211102222 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred eleven million, one hundred two thousand, two hundred twenty-two".