1422016 has 28 divisors (see below), whose sum is σ = 2990088. Its totient is φ = 668672.

The previous prime is 1422013. The next prime is 1422023. The reversal of 1422016 is 6102241.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435 + ... + 1741.

2^1422016 is an apocalyptic number.

1422016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495044).

1422016 is an abundant number, since it is smaller than the sum of its proper divisors (1568072).

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

1422016 is a wasteful number, since it uses less digits than its factorization.

1422016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1422016 is about 1192.4831235703. The cubic root of 1422016 is about 112.4522529892.

Adding to 1422016 its reverse (6102241), we get a palindrome (7524257).

The spelling of 1422016 in words is "one million, four hundred twenty-two thousand, sixteen".