22149327 has 4 divisors (see below), whose sum is σ = 29532440. Its totient is φ = 14766216.

The previous prime is 22149319. The next prime is 22149353. The reversal of 22149327 is 72394122.

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

It is not a de Polignac number, because 22149327 - 2³ = 22149319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22149294 and 22149303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22149397) 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, 3691552 + ... + 3691557.

It is an arithmetic number, because the mean of its divisors is an integer number (7383110).

Almost surely, 2^22149327 is an apocalyptic number.

22149327 is a deficient number, since it is larger than the sum of its proper divisors (7383113).

22149327 is an equidigital number, since it uses as much as digits as its factorization.

22149327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383112.

The product of its digits is 6048, while the sum is 30.

The square root of 22149327 is about 4706.3071510474. The cubic root of 22149327 is about 280.8364739636.

The spelling of 22149327 in words is "twenty-two million, one hundred forty-nine thousand, three hundred twenty-seven".