1422229 has 2 divisors, whose sum is σ = 1422230. Its totient is φ = 1422228.

The previous prime is 1422227. The next prime is 1422241. The reversal of 1422229 is 9222241.

1422229 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1270129 + 152100 = 1127^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422229 - 2¹ = 1422227 is a prime.

Together with 1422227, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711114 + 711115.

It is an arithmetic number, because the mean of its divisors is an integer number (711115).

2^1422229 is an apocalyptic number.

It is an amenable number.

1422229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422229 is an equidigital number, since it uses as much as digits as its factorization.

1422229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 1422229 is about 1192.5724296662. The cubic root of 1422229 is about 112.4578673503.

The spelling of 1422229 in words is "one million, four hundred twenty-two thousand, two hundred twenty-nine".