22449898 has 8 divisors (see below), whose sum is σ = 34585092. Its totient is φ = 10921536.

The previous prime is 22449883. The next prime is 22449907. The reversal of 22449898 is 89894422.

It can be written as a sum of positive squares in 2 ways, for example, as 22250089 + 199809 = 4717^2 + 447^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151615 + ... + 151762.

Almost surely, 2^22449898 is an apocalyptic number.

22449898 is a deficient number, since it is larger than the sum of its proper divisors (12135194).

22449898 is a wasteful number, since it uses less digits than its factorization.

22449898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303416.

The product of its digits is 331776, while the sum is 46.

The square root of 22449898 is about 4738.1323324703. The cubic root of 22449898 is about 282.1011072154.

The spelling of 22449898 in words is "twenty-two million, four hundred forty-nine thousand, eight hundred ninety-eight".