22312000253 has 2 divisors, whose sum is σ = 22312000254. Its totient is φ = 22312000252.

The previous prime is 22312000229. The next prime is 22312000273. The reversal of 22312000253 is 35200021322.

It is an a-pointer prime, because the next prime (22312000273) can be obtained adding 22312000253 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21959386969 + 352613284 = 148187^2 + 18778^2 .

It is a cyclic number.

It is not a de Polignac number, because 22312000253 - 2⁶ = 22312000189 is a prime.

It is a super-3 number, since 3×22312000253³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22312000273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156000126 + 11156000127.

It is an arithmetic number, because the mean of its divisors is an integer number (11156000127).

Almost surely, 2^22312000253 is an apocalyptic number.

It is an amenable number.

22312000253 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312000253 is an equidigital number, since it uses as much as digits as its factorization.

22312000253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 22312000253 its reverse (35200021322), we get a palindrome (57512021575).

The spelling of 22312000253 in words is "twenty-two billion, three hundred twelve million, two hundred fifty-three", and thus it is an aban number.