22724045487 has 48 divisors (see below), whose sum is σ = 38581609248. Its totient is φ = 12706295040.

The previous prime is 22724045483. The next prime is 22724045497. The reversal of 22724045487 is 78454042722.

22724045487 is a `hidden beast` number, since 22 + 72 + 40 + 45 + 487 = 666.

It is not a de Polignac number, because 22724045487 - 2² = 22724045483 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22724045483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3751153 + ... + 3757205.

It is an arithmetic number, because the mean of its divisors is an integer number (803783526).

Almost surely, 2^22724045487 is an apocalyptic number.

22724045487 is a deficient number, since it is larger than the sum of its proper divisors (15857563761).

22724045487 is a wasteful number, since it uses less digits than its factorization.

22724045487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000 (or 8997 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 45.

The spelling of 22724045487 in words is "twenty-two billion, seven hundred twenty-four million, forty-five thousand, four hundred eighty-seven".