22727428433 has 2 divisors, whose sum is σ = 22727428434. Its totient is φ = 22727428432.

The previous prime is 22727428397. The next prime is 22727428457. The reversal of 22727428433 is 33482472722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12885201169 + 9842227264 = 113513^2 + 99208^2 .

It is a cyclic number.

It is not a de Polignac number, because 22727428433 - 2⁶ = 22727428369 is a prime.

It is not a weakly prime, because it can be changed into another prime (22727448433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11363714216 + 11363714217.

It is an arithmetic number, because the mean of its divisors is an integer number (11363714217).

Almost surely, 2^22727428433 is an apocalyptic number.

It is an amenable number.

22727428433 is a deficient number, since it is larger than the sum of its proper divisors (1).

22727428433 is an equidigital number, since it uses as much as digits as its factorization.

22727428433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 44.

The spelling of 22727428433 in words is "twenty-two billion, seven hundred twenty-seven million, four hundred twenty-eight thousand, four hundred thirty-three".