22232427 has 12 divisors (see below), whose sum is σ = 34483176. Its totient is φ = 12704160.

The previous prime is 22232407. The next prime is 22232429. The reversal of 22232427 is 72423222.

It is a happy number.

It is not a de Polignac number, because 22232427 - 2¹⁰ = 22231403 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22232397 and 22232406.

It is not an unprimeable number, because it can be changed into a prime (22232429) 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, 75474 + ... + 75767.

It is an arithmetic number, because the mean of its divisors is an integer number (2873598).

Almost surely, 2^22232427 is an apocalyptic number.

22232427 is a deficient number, since it is larger than the sum of its proper divisors (12250749).

22232427 is a wasteful number, since it uses less digits than its factorization.

22232427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151258 (or 151251 counting only the distinct ones).

The product of its digits is 2688, while the sum is 24.

The square root of 22232427 is about 4715.1274638126. The cubic root of 22232427 is about 281.1872503961.

Adding to 22232427 its reverse (72423222), we get a palindrome (94655649).

The spelling of 22232427 in words is "twenty-two million, two hundred thirty-two thousand, four hundred twenty-seven".