22098487 has 8 divisors (see below), whose sum is σ = 23720256. Its totient is φ = 20512512.

The previous prime is 22098481. The next prime is 22098499. The reversal of 22098487 is 78489022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22098487 - 2¹⁹ = 21574199 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 (22098481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7663 + ... + 10144.

It is an arithmetic number, because the mean of its divisors is an integer number (2965032).

Almost surely, 2^22098487 is an apocalyptic number.

22098487 is a deficient number, since it is larger than the sum of its proper divisors (1621769).

22098487 is a wasteful number, since it uses less digits than its factorization.

22098487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17897.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 22098487 is about 4700.9027856360. The cubic root of 22098487 is about 280.6214386216.

The spelling of 22098487 in words is "twenty-two million, ninety-eight thousand, four hundred eighty-seven".