22147898 has 8 divisors (see below), whose sum is σ = 33244992. Its totient is φ = 11066236.

The previous prime is 22147897. The next prime is 22147903. The reversal of 22147898 is 89874122.

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

It is not an unprimeable number, because it can be changed into a prime (22147897) 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, 911 + ... + 6717.

It is an arithmetic number, because the mean of its divisors is an integer number (4155624).

Almost surely, 2^22147898 is an apocalyptic number.

22147898 is a deficient number, since it is larger than the sum of its proper divisors (11097094).

22147898 is a wasteful number, since it uses less digits than its factorization.

22147898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716.

The product of its digits is 64512, while the sum is 41.

The square root of 22147898 is about 4706.1553310532. The cubic root of 22147898 is about 280.8304342924.

The spelling of 22147898 in words is "twenty-two million, one hundred forty-seven thousand, eight hundred ninety-eight".