22053817287 has 6 divisors (see below), whose sum is σ = 31855513872. Its totient is φ = 14702544852.

The previous prime is 22053817249. The next prime is 22053817301. The reversal of 22053817287 is 78271835022.

22053817287 is a `hidden beast` number, since 2 + 20 + 538 + 17 + 2 + 87 = 666.

It is not a de Polignac number, because 22053817287 - 2¹¹ = 22053815239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053837287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1225212063 + ... + 1225212080.

It is an arithmetic number, because the mean of its divisors is an integer number (5309252312).

Almost surely, 2^22053817287 is an apocalyptic number.

22053817287 is a deficient number, since it is larger than the sum of its proper divisors (9801696585).

22053817287 is a wasteful number, since it uses less digits than its factorization.

22053817287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450424149 (or 2450424146 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 22053817287 in words is "twenty-two billion, fifty-three million, eight hundred seventeen thousand, two hundred eighty-seven".