22211022220222 has 16 divisors (see below), whose sum is σ = 36548355513600. Its totient is φ = 10039517406040.

The previous prime is 22211022220181. The next prime is 22211022220259. The reversal of 22211022220222 is 22202222011222.

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 = 22211022220193 and 22211022220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820085222 + ... + 2820093097.

It is an arithmetic number, because the mean of its divisors is an integer number (2284272219600).

Almost surely, 2^{22211022220222} is an apocalyptic number.

22211022220222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22211022220222 is a deficient number, since it is larger than the sum of its proper divisors (14337333293378).

22211022220222 is a wasteful number, since it uses less digits than its factorization.

22211022220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640178511.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22211022220222 its reverse (22202222011222), we get a palindrome (44413244231444).

The spelling of 22211022220222 in words is "twenty-two trillion, two hundred eleven billion, twenty-two million, two hundred twenty thousand, two hundred twenty-two".