1422306 has 16 divisors (see below), whose sum is σ = 3160800. Its totient is φ = 474084.

The previous prime is 1422293. The next prime is 1422367. The reversal of 1422306 is 6032241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13116 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (197550).

2^1422306 is an apocalyptic number.

1422306 is an abundant number, since it is smaller than the sum of its proper divisors (1738494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422306 is a wasteful number, since it uses less digits than its factorization.

1422306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26350 (or 26344 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1422306 is about 1192.6047123838. The cubic root of 1422306 is about 112.4598968171.

Adding to 1422306 its reverse (6032241), we get a palindrome (7454547).

It can be divided in two parts, 1422 and 306, that added together give a cube (1728 = 12³).

The spelling of 1422306 in words is "one million, four hundred twenty-two thousand, three hundred six".