298225619 has 4 divisors (see below), whose sum is σ = 298397496. Its totient is φ = 298053744.

The previous prime is 298225607. The next prime is 298225621. The reversal of 298225619 is 916522892.

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 298225619 - 2²⁴ = 281448403 is a prime.

It is a super-2 number, since 2×298225619² = 177877039655866322, 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 298225619.

It is not an unprimeable number, because it can be changed into a prime (298225639) 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, 83309 + ... + 86814.

It is an arithmetic number, because the mean of its divisors is an integer number (74599374).

Almost surely, 2^298225619 is an apocalyptic number.

298225619 is a deficient number, since it is larger than the sum of its proper divisors (171877).

298225619 is a wasteful number, since it uses less digits than its factorization.

298225619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171876.

The product of its digits is 155520, while the sum is 44.

The square root of 298225619 is about 17269.2101440685. The cubic root of 298225619 is about 668.1105293278.

The spelling of 298225619 in words is "two hundred ninety-eight million, two hundred twenty-five thousand, six hundred nineteen".