22119391 has 8 divisors (see below), whose sum is σ = 25756704. Its totient is φ = 18601440.

The previous prime is 22119359. The next prime is 22119403. The reversal of 22119391 is 19391122.

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

It is a cyclic number.

It is not a de Polignac number, because 22119391 - 2⁵ = 22119359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22119301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29440 + ... + 30181.

It is an arithmetic number, because the mean of its divisors is an integer number (3219588).

Almost surely, 2^22119391 is an apocalyptic number.

22119391 is a deficient number, since it is larger than the sum of its proper divisors (3637313).

22119391 is an equidigital number, since it uses as much as digits as its factorization.

22119391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59681.

The product of its digits is 972, while the sum is 28.

The square root of 22119391 is about 4703.1256627907. The cubic root of 22119391 is about 280.7098950824.

The spelling of 22119391 in words is "twenty-two million, one hundred nineteen thousand, three hundred ninety-one".