22244312253 has 16 divisors (see below), whose sum is σ = 30996504576. Its totient is φ = 14162826480.

The previous prime is 22244312239. The next prime is 22244312261. The reversal of 22244312253 is 35221344222.

It is not a de Polignac number, because 22244312253 - 2¹⁴ = 22244295869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22244312253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244312953) 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, 204493 + ... + 293778.

It is an arithmetic number, because the mean of its divisors is an integer number (1937281536).

Almost surely, 2^22244312253 is an apocalyptic number.

22244312253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22244312253 is a deficient number, since it is larger than the sum of its proper divisors (8752192323).

22244312253 is a wasteful number, since it uses less digits than its factorization.

22244312253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498944.

The product of its digits is 23040, while the sum is 30.

Adding to 22244312253 its reverse (35221344222), we get a palindrome (57465656475).

The spelling of 22244312253 in words is "twenty-two billion, two hundred forty-four million, three hundred twelve thousand, two hundred fifty-three".