22002619987 has 2 divisors, whose sum is σ = 22002619988. Its totient is φ = 22002619986.

The previous prime is 22002619967. The next prime is 22002620021. The reversal of 22002619987 is 78991620022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002619987 is a prime.

It is not a weakly prime, because it can be changed into another prime (22002619967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001309993 + 11001309994.

It is an arithmetic number, because the mean of its divisors is an integer number (11001309994).

Almost surely, 2^22002619987 is an apocalyptic number.

22002619987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002619987 is an equidigital number, since it uses as much as digits as its factorization.

22002619987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 22002619987 in words is "twenty-two billion, two million, six hundred nineteen thousand, nine hundred eighty-seven".