22261360515253 has 4 divisors (see below), whose sum is σ = 22261371213580. Its totient is φ = 22261349816928.

The previous prime is 22261360515209. The next prime is 22261360515299. The reversal of 22261360515253 is 35251506316222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12414580105489 + 9846780409764 = 3523433^2 + 3137958^2 .

It is a cyclic number.

It is not a de Polignac number, because 22261360515253 - 2⁹ = 22261360514741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22261360512253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105950 + ... + 6763567.

It is an arithmetic number, because the mean of its divisors is an integer number (5565342803395).

Almost surely, 2^{22261360515253} is an apocalyptic number.

It is an amenable number.

22261360515253 is a deficient number, since it is larger than the sum of its proper divisors (10698327).

22261360515253 is an equidigital number, since it uses as much as digits as its factorization.

22261360515253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10698326.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 22261360515253 in words is "twenty-two trillion, two hundred sixty-one billion, three hundred sixty million, five hundred fifteen thousand, two hundred fifty-three".