22220122102222 has 32 divisors (see below), whose sum is σ = 38507362861824. Its totient is φ = 9516729763200.

The previous prime is 22220122102181. The next prime is 22220122102229.

22220122102222 is nontrivially palindromic in base 10.

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 = 22220122102193 and 22220122102202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220122102229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327677179 + ... + 327744982.

It is an arithmetic number, because the mean of its divisors is an integer number (1203355089432).

Almost surely, 2^{22220122102222} is an apocalyptic number.

22220122102222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22220122102222 is a deficient number, since it is larger than the sum of its proper divisors (16287240759602).

22220122102222 is a wasteful number, since it uses less digits than its factorization.

22220122102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655422264.

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

Multiplying 22220122102222 by its sum of digits (22), we get a palindrome (488842686248884).

It can be divided in two parts, 2222012 and 2102222, that added together give a palindrome (4324234).

The spelling of 22220122102222 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty-two".