22419 has 12 divisors (see below), whose sum is σ = 33696. Its totient is φ = 14352.

The previous prime is 22409. The next prime is 22433. The reversal of 22419 is 91422.

It is not a de Polignac number, because 22419 - 2⁷ = 22291 is a prime.

It is a super-2 number, since 2×22419² = 1005223122, which contains 22 as substring.

It is a plaindrome in base 7 and base 15.

It is not an unprimeable number, because it can be changed into a prime (22409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397 + ... + 449.

It is an arithmetic number, because the mean of its divisors is an integer number (2808).

2²²⁴¹⁹ is an apocalyptic number.

22419 is a deficient number, since it is larger than the sum of its proper divisors (11277).

22419 is a wasteful number, since it uses less digits than its factorization.

22419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 103 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 22419 is about 149.7297565616. The cubic root of 22419 is about 28.1971628351.

It can be divided in two parts, 224 and 19, that added together give a 5-th power (243 = 3⁵).

The spelling of 22419 in words is "twenty-two thousand, four hundred nineteen".