22718470261 has 2 divisors, whose sum is σ = 22718470262. Its totient is φ = 22718470260.

The previous prime is 22718470253. The next prime is 22718470277. The reversal of 22718470261 is 16207481722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11730189636 + 10988280625 = 108306^2 + 104825^2 .

It is a cyclic number.

It is not a de Polignac number, because 22718470261 - 2³ = 22718470253 is a prime.

It is a super-2 number, since 2×22718470261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22718470861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11359235130 + 11359235131.

It is an arithmetic number, because the mean of its divisors is an integer number (11359235131).

Almost surely, 2^22718470261 is an apocalyptic number.

It is an amenable number.

22718470261 is a deficient number, since it is larger than the sum of its proper divisors (1).

22718470261 is an equidigital number, since it uses as much as digits as its factorization.

22718470261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 22718470261 in words is "twenty-two billion, seven hundred eighteen million, four hundred seventy thousand, two hundred sixty-one".