22220212110222 has 16 divisors (see below), whose sum is σ = 50789056252032. Its totient is φ = 6348632031480.

The previous prime is 22220212110221. The next prime is 22220212110227. The reversal of 22220212110222 is 22201121202222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220212110221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264526334604 + ... + 264526334687.

It is an arithmetic number, because the mean of its divisors is an integer number (3174316015752).

Almost surely, 2^{22220212110222} is an apocalyptic number.

22220212110222 is an abundant number, since it is smaller than the sum of its proper divisors (28568844141810).

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

22220212110222 is a wasteful number, since it uses less digits than its factorization.

22220212110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529052669303.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22220212110222 its reverse (22201121202222), we get a palindrome (44421333312444).

The spelling of 22220212110222 in words is "twenty-two trillion, two hundred twenty billion, two hundred twelve million, one hundred ten thousand, two hundred twenty-two".