22190419 has 4 divisors (see below), whose sum is σ = 22313200. Its totient is φ = 22067640.

The previous prime is 22190401. The next prime is 22190447. The reversal of 22190419 is 91409122.

It is a happy number.

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 22190419 - 2⁵ = 22190387 is a prime.

It is a super-2 number, since 2×22190419² = 984829390791122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22190449) 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, 61119 + ... + 61480.

It is an arithmetic number, because the mean of its divisors is an integer number (5578300).

Almost surely, 2^22190419 is an apocalyptic number.

22190419 is a deficient number, since it is larger than the sum of its proper divisors (122781).

22190419 is a wasteful number, since it uses less digits than its factorization.

22190419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122780.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 22190419 is about 4710.6707590321. The cubic root of 22190419 is about 281.0100383525.

The spelling of 22190419 in words is "twenty-two million, one hundred ninety thousand, four hundred nineteen".