22896487 has 4 divisors (see below), whose sum is σ = 22946616. Its totient is φ = 22846360.

The previous prime is 22896481. The next prime is 22896493. The reversal of 22896487 is 78469822.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22896481) and next prime (22896493).

It is a cyclic number.

It is not a de Polignac number, because 22896487 - 2²³ = 14507879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22896481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24373 + ... + 25294.

It is an arithmetic number, because the mean of its divisors is an integer number (5736654).

Almost surely, 2^22896487 is an apocalyptic number.

22896487 is a deficient number, since it is larger than the sum of its proper divisors (50129).

22896487 is an equidigital number, since it uses as much as digits as its factorization.

22896487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50128.

The product of its digits is 387072, while the sum is 46.

The square root of 22896487 is about 4785.0273771422. The cubic root of 22896487 is about 283.9594227222.

The spelling of 22896487 in words is "twenty-two million, eight hundred ninety-six thousand, four hundred eighty-seven".