22889427 has 8 divisors (see below), whose sum is σ = 33293760. Its totient is φ = 13872360.

The previous prime is 22889413. The next prime is 22889437. The reversal of 22889427 is 72498822.

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

It is not a de Polignac number, because 22889427 - 2⁷ = 22889299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22889437) 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, 346777 + ... + 346842.

It is an arithmetic number, because the mean of its divisors is an integer number (4161720).

Almost surely, 2^22889427 is an apocalyptic number.

22889427 is a deficient number, since it is larger than the sum of its proper divisors (10404333).

22889427 is a wasteful number, since it uses less digits than its factorization.

22889427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693633.

The product of its digits is 129024, while the sum is 42.

The square root of 22889427 is about 4784.2896024384. The cubic root of 22889427 is about 283.9302339706.

The spelling of 22889427 in words is "twenty-two million, eight hundred eighty-nine thousand, four hundred twenty-seven".