1422002 has 4 divisors (see below), whose sum is σ = 2133006. Its totient is φ = 711000.

The previous prime is 1421989. The next prime is 1422007. The reversal of 1422002 is 2002241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2002241 = 541 ⋅3701.

It can be written as a sum of positive squares in only one way, i.e., 1413721 + 8281 = 1189^2 + 91^2 .

It is not an unprimeable number, because it can be changed into a prime (1422007) 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 as a sum of consecutive naturals, namely, 355499 + ... + 355502.

2^1422002 is an apocalyptic number.

1422002 is a deficient number, since it is larger than the sum of its proper divisors (711004).

1422002 is an equidigital number, since it uses as much as digits as its factorization.

1422002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711003.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1422002 is about 1192.4772534518. The cubic root of 1422002 is about 112.4518839505.

Adding to 1422002 its reverse (2002241), we get a palindrome (3424243).

The spelling of 1422002 in words is "one million, four hundred twenty-two thousand, two".