2722427 has 2 divisors, whose sum is σ = 2722428. Its totient is φ = 2722426.

The previous prime is 2722417. The next prime is 2722439. The reversal of 2722427 is 7242272.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2722427 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2722396 and 2722405.

It is not a weakly prime, because it can be changed into another prime (2722417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361213 + 1361214.

It is an arithmetic number, because the mean of its divisors is an integer number (1361214).

2^2722427 is an apocalyptic number.

2722427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722427 is an equidigital number, since it uses as much as digits as its factorization.

2722427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 26.

The square root of 2722427 is about 1649.9778786396. The cubic root of 2722427 is about 139.6321465474.

Adding to 2722427 its reverse (7242272), we get a palindrome (9964699).

The spelling of 2722427 in words is "two million, seven hundred twenty-two thousand, four hundred twenty-seven".