1422073 has 4 divisors (see below), whose sum is σ = 1471140. Its totient is φ = 1373008.

The previous prime is 1422061. The next prime is 1422089. The reversal of 1422073 is 3702241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3702241 = 23 ⋅160967.

It can be written as a sum of positive squares in 2 ways, for example, as 1159929 + 262144 = 1077^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422073 - 2¹⁷ = 1291001 is a prime.

It is an Ulam number.

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 1422073.

It is not an unprimeable number, because it can be changed into a prime (1422013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24490 + ... + 24547.

It is an arithmetic number, because the mean of its divisors is an integer number (367785).

2^1422073 is an apocalyptic number.

It is an amenable number.

1422073 is a deficient number, since it is larger than the sum of its proper divisors (49067).

1422073 is an equidigital number, since it uses as much as digits as its factorization.

1422073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49066.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1422073 is about 1192.5070230401. The cubic root of 1422073 is about 112.4537554788.

The spelling of 1422073 in words is "one million, four hundred twenty-two thousand, seventy-three".