1422898 has 8 divisors (see below), whose sum is σ = 2142108. Its totient is φ = 708864.

The previous prime is 1422877. The next prime is 1422899. The reversal of 1422898 is 8982241.

It can be written as a sum of positive squares in 2 ways, for example, as 1399489 + 23409 = 1183^2 + 153^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1422899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511 + ... + 1762.

2^1422898 is an apocalyptic number.

1422898 is a deficient number, since it is larger than the sum of its proper divisors (719210).

1422898 is a wasteful number, since it uses less digits than its factorization.

1422898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588.

The product of its digits is 9216, while the sum is 34.

The square root of 1422898 is about 1192.8528827982. The cubic root of 1422898 is about 112.4754975444.

The spelling of 1422898 in words is "one million, four hundred twenty-two thousand, eight hundred ninety-eight".