22498745 has 8 divisors (see below), whose sum is σ = 27024000. Its totient is φ = 17982000.

The previous prime is 22498739. The next prime is 22498747. The reversal of 22498745 is 54789422.

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

It is not a de Polignac number, because 22498745 - 2¹⁰ = 22497721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22498747) 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, 8870 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (3378000).

Almost surely, 2^22498745 is an apocalyptic number.

It is an amenable number.

22498745 is a deficient number, since it is larger than the sum of its proper divisors (4525255).

22498745 is a wasteful number, since it uses less digits than its factorization.

22498745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255.

The product of its digits is 161280, while the sum is 41.

The square root of 22498745 is about 4743.2841997924. The cubic root of 22498745 is about 282.3055596769.

The spelling of 22498745 in words is "twenty-two million, four hundred ninety-eight thousand, seven hundred forty-five".