22225244252222 has 32 divisors (see below), whose sum is σ = 37607837721984. Its totient is φ = 9763835796000.

The previous prime is 22225244252179. The next prime is 22225244252249.

22225244252222 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×22225244252222² (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 15 ways as a sum of consecutive naturals, for example, 142168904 + ... + 142325147.

It is an arithmetic number, because the mean of its divisors is an integer number (1175244928812).

Almost surely, 2^{22225244252222} is an apocalyptic number.

22225244252222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22225244252222 is a deficient number, since it is larger than the sum of its proper divisors (15382593469762).

22225244252222 is a wasteful number, since it uses less digits than its factorization.

22225244252222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284494184.

The product of its digits is 409600, while the sum is 38.

It can be divided in two parts, 2222524 and 4252222, that added together give a palindrome (6474746).

The spelling of 22225244252222 in words is "twenty-two trillion, two hundred twenty-five billion, two hundred forty-four million, two hundred fifty-two thousand, two hundred twenty-two".