1422158 has 8 divisors (see below), whose sum is σ = 2160480. Its totient is φ = 702000.

The previous prime is 1422133. The next prime is 1422163. The reversal of 1422158 is 8512241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4343 + ... + 4658.

It is an arithmetic number, because the mean of its divisors is an integer number (270060).

2^1422158 is an apocalyptic number.

1422158 is a deficient number, since it is larger than the sum of its proper divisors (738322).

1422158 is an equidigital number, since it uses as much as digits as its factorization.

1422158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082.

The product of its digits is 640, while the sum is 23.

The square root of 1422158 is about 1192.5426617107. The cubic root of 1422158 is about 112.4559959589.

Adding to 1422158 its reverse (8512241), we get a palindrome (9934399).

It can be divided in two parts, 1422 and 158, that multiplied together give a square (224676 = 474²).

The spelling of 1422158 in words is "one million, four hundred twenty-two thousand, one hundred fifty-eight".