22872219 has 16 divisors (see below), whose sum is σ = 32887680. Its totient is φ = 14091840.

The previous prime is 22872211. The next prime is 22872247. The reversal of 22872219 is 91227822.

It is not a de Polignac number, because 22872219 - 2³ = 22872211 is a prime.

It is a super-2 number, since 2×22872219² = 1046276803967922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22872219.

It is not an unprimeable number, because it can be changed into a prime (22872211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2557 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (2055480).

Almost surely, 2^22872219 is an apocalyptic number.

22872219 is a deficient number, since it is larger than the sum of its proper divisors (10015461).

22872219 is a wasteful number, since it uses less digits than its factorization.

22872219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9850.

The product of its digits is 8064, while the sum is 33.

The square root of 22872219 is about 4782.4908781931. The cubic root of 22872219 is about 283.8590643376.

The spelling of 22872219 in words is "twenty-two million, eight hundred seventy-two thousand, two hundred nineteen".