22338427 has 2 divisors, whose sum is σ = 22338428. Its totient is φ = 22338426.

The previous prime is 22338419. The next prime is 22338461. The reversal of 22338427 is 72483322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22338427 - 2³ = 22338419 is a prime.

It is not a weakly prime, because it can be changed into another prime (22338467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11169213 + 11169214.

It is an arithmetic number, because the mean of its divisors is an integer number (11169214).

Almost surely, 2^22338427 is an apocalyptic number.

22338427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22338427 is an equidigital number, since it uses as much as digits as its factorization.

22338427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 22338427 is about 4726.3545148455. The cubic root of 22338427 is about 281.6334245672.

The spelling of 22338427 in words is "twenty-two million, three hundred thirty-eight thousand, four hundred twenty-seven".