2122427 has 2 divisors, whose sum is σ = 2122428. Its totient is φ = 2122426.

The previous prime is 2122409. The next prime is 2122441. The reversal of 2122427 is 7242212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122427 - 2⁶ = 2122363 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122399 and 2122408.

It is not a weakly prime, because it can be changed into another prime (2122327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061213 + 1061214.

It is an arithmetic number, because the mean of its divisors is an integer number (1061214).

2^2122427 is an apocalyptic number.

2122427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122427 is an equidigital number, since it uses as much as digits as its factorization.

2122427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 20.

The square root of 2122427 is about 1456.8551746828. The cubic root of 2122427 is about 128.5121691050.

Adding to 2122427 its reverse (7242212), we get a palindrome (9364639).

The spelling of 2122427 in words is "two million, one hundred twenty-two thousand, four hundred twenty-seven".