22998419 has 4 divisors (see below), whose sum is σ = 23030280. Its totient is φ = 22966560.

The previous prime is 22998383. The next prime is 22998427. The reversal of 22998419 is 91489922.

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

It is a cyclic number.

It is not a de Polignac number, because 22998419 - 2²⁴ = 6221203 is a prime.

It is a super-2 number, since 2×22998419² = 1057854552999122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22998419.

It is not an unprimeable number, because it can be changed into a prime (22995419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14822 + ... + 16299.

It is an arithmetic number, because the mean of its divisors is an integer number (5757570).

Almost surely, 2^22998419 is an apocalyptic number.

22998419 is a deficient number, since it is larger than the sum of its proper divisors (31861).

22998419 is an equidigital number, since it uses as much as digits as its factorization.

22998419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31860.

The product of its digits is 93312, while the sum is 44.

The square root of 22998419 is about 4795.6666898357. Note that the first 4 decimals coincide. The cubic root of 22998419 is about 284.3801816711.

The spelling of 22998419 in words is "twenty-two million, nine hundred ninety-eight thousand, four hundred nineteen".