22002135487 has 2 divisors, whose sum is σ = 22002135488. Its totient is φ = 22002135486.

The previous prime is 22002135469. The next prime is 22002135569. The reversal of 22002135487 is 78453120022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002135487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002135457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001067743 + 11001067744.

It is an arithmetic number, because the mean of its divisors is an integer number (11001067744).

Almost surely, 2^22002135487 is an apocalyptic number.

22002135487 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002135487 is an equidigital number, since it uses as much as digits as its factorization.

22002135487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 22002135487 in words is "twenty-two billion, two million, one hundred thirty-five thousand, four hundred eighty-seven".