22199489287 has 16 divisors (see below), whose sum is σ = 25111779840. Its totient is φ = 19498520448.

The previous prime is 22199489203. The next prime is 22199489303. The reversal of 22199489287 is 78298499122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22199489287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22199489087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491263 + ... + 534544.

It is an arithmetic number, because the mean of its divisors is an integer number (1569486240).

Almost surely, 2^22199489287 is an apocalyptic number.

22199489287 is a deficient number, since it is larger than the sum of its proper divisors (2912290553).

22199489287 is a wasteful number, since it uses less digits than its factorization.

22199489287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025910.

The product of its digits is 10450944, while the sum is 61.

The spelling of 22199489287 in words is "twenty-two billion, one hundred ninety-nine million, four hundred eighty-nine thousand, two hundred eighty-seven".