1422998 has 4 divisors (see below), whose sum is σ = 2134500. Its totient is φ = 711498.

The previous prime is 1422991. The next prime is 1423003. The reversal of 1422998 is 8992241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8992241 = 23 ⋅390967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355748 + ... + 355751.

It is an arithmetic number, because the mean of its divisors is an integer number (533625).

2^1422998 is an apocalyptic number.

1422998 is a deficient number, since it is larger than the sum of its proper divisors (711502).

1422998 is an equidigital number, since it uses as much as digits as its factorization.

1422998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711501.

The product of its digits is 10368, while the sum is 35.

The square root of 1422998 is about 1192.8947983791. The cubic root of 1422998 is about 112.4781323752.

The spelling of 1422998 in words is "one million, four hundred twenty-two thousand, nine hundred ninety-eight".