22032235031491 has 2 divisors, whose sum is σ = 22032235031492. Its totient is φ = 22032235031490.

The previous prime is 22032235031483. The next prime is 22032235031501. The reversal of 22032235031491 is 19413053223022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22032235031491 - 2³ = 22032235031483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22032235031491.

It is not a weakly prime, because it can be changed into another prime (22032235031791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11016117515745 + 11016117515746.

It is an arithmetic number, because the mean of its divisors is an integer number (11016117515746).

Almost surely, 2^{22032235031491} is an apocalyptic number.

22032235031491 is a deficient number, since it is larger than the sum of its proper divisors (1).

22032235031491 is an equidigital number, since it uses as much as digits as its factorization.

22032235031491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 22032235031491 in words is "twenty-two trillion, thirty-two billion, two hundred thirty-five million, thirty-one thousand, four hundred ninety-one".