1422958 has 4 divisors (see below), whose sum is σ = 2134440. Its totient is φ = 711478.

The previous prime is 1422937. The next prime is 1422961. The reversal of 1422958 is 8592241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8592241 = 7 ⋅1227463.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355738 + ... + 355741.

It is an arithmetic number, because the mean of its divisors is an integer number (533610).

2^1422958 is an apocalyptic number.

1422958 is a deficient number, since it is larger than the sum of its proper divisors (711482).

1422958 is an equidigital number, since it uses as much as digits as its factorization.

1422958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711481.

The product of its digits is 5760, while the sum is 31.

The square root of 1422958 is about 1192.8780323235. The cubic root of 1422958 is about 112.4770784577.

The spelling of 1422958 in words is "one million, four hundred twenty-two thousand, nine hundred fifty-eight".