22874219 has 4 divisors (see below), whose sum is σ = 23149896. Its totient is φ = 22598544.

The previous prime is 22874209. The next prime is 22874227. The reversal of 22874219 is 91247822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22874219 is a prime.

It is a super-2 number, since 2×22874219² = 1046459789719922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22874209) 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, 137714 + ... + 137879.

It is an arithmetic number, because the mean of its divisors is an integer number (5787474).

Almost surely, 2^22874219 is an apocalyptic number.

22874219 is a deficient number, since it is larger than the sum of its proper divisors (275677).

22874219 is an equidigital number, since it uses as much as digits as its factorization.

22874219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275676.

The product of its digits is 16128, while the sum is 35.

The square root of 22874219 is about 4782.6999696824. The cubic root of 22874219 is about 283.8673378619.

It can be divided in two parts, 228 and 74219, that added together give a palindrome (74447).

The spelling of 22874219 in words is "twenty-two million, eight hundred seventy-four thousand, two hundred nineteen".