1422458 has 24 divisors (see below), whose sum is σ = 2387232. Its totient is φ = 634304.

The previous prime is 1422439. The next prime is 1422461. The reversal of 1422458 is 8542241.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13241 + ... + 13347.

It is an arithmetic number, because the mean of its divisors is an integer number (99468).

2^1422458 is an apocalyptic number.

1422458 is a deficient number, since it is larger than the sum of its proper divisors (964774).

1422458 is a wasteful number, since it uses less digits than its factorization.

1422458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 1422458 is about 1192.6684367417. The cubic root of 1422458 is about 112.4639028223.

Adding to 1422458 its reverse (8542241), we get a palindrome (9964699).

The spelling of 1422458 in words is "one million, four hundred twenty-two thousand, four hundred fifty-eight".