1422499 has 4 divisors (see below), whose sum is σ = 1531936. Its totient is φ = 1313064.

The previous prime is 1422493. The next prime is 1422521. The reversal of 1422499 is 9942241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9942241 = 2803 ⋅3547.

It is a cyclic number.

It is not a de Polignac number, because 1422499 - 2¹³ = 1414307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422499.

It is not an unprimeable number, because it can be changed into a prime (1422493) 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, 54699 + ... + 54724.

It is an arithmetic number, because the mean of its divisors is an integer number (382984).

2^1422499 is an apocalyptic number.

1422499 is a deficient number, since it is larger than the sum of its proper divisors (109437).

1422499 is a wasteful number, since it uses less digits than its factorization.

1422499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109436.

The product of its digits is 5184, while the sum is 31.

The square root of 1422499 is about 1192.6856249658. The cubic root of 1422499 is about 112.4649833406.

It can be divided in two parts, 1 and 422499, that added together give a square (422500 = 650²).

The spelling of 1422499 in words is "one million, four hundred twenty-two thousand, four hundred ninety-nine".