22224222242222 has 64 divisors (see below), whose sum is σ = 44778080890368. Its totient is φ = 7989368688000.

The previous prime is 22224222242213. The next prime is 22224222242323.

22224222242222 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×22224222242222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2435597 + ... + 7097927.

It is an arithmetic number, because the mean of its divisors is an integer number (699657513912).

Almost surely, 2^{22224222242222} is an apocalyptic number.

22224222242222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22224222242222 is an abundant number, since it is smaller than the sum of its proper divisors (22553858648146).

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

22224222242222 is a wasteful number, since it uses less digits than its factorization.

22224222242222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664745.

The product of its digits is 65536, while the sum is 32.

It can be divided in two parts, 2222422 and 2242222, that added together give a palindrome (4464644).

The spelling of 22224222242222 in words is "twenty-two trillion, two hundred twenty-four billion, two hundred twenty-two million, two hundred forty-two thousand, two hundred twenty-two".