1662022 has 8 divisors (see below), whose sum is σ = 2639736. Its totient is φ = 782112.

The previous prime is 1662013. The next prime is 1662029. The reversal of 1662022 is 2202661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662029) 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, 24408 + ... + 24475.

It is an arithmetic number, because the mean of its divisors is an integer number (329967).

2^1662022 is an apocalyptic number.

1662022 is a deficient number, since it is larger than the sum of its proper divisors (977714).

1662022 is a wasteful number, since it uses less digits than its factorization.

1662022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48902.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1662022 is about 1289.1943220477. The cubic root of 1662022 is about 118.4528704557.

Adding to 1662022 its reverse (2202661), we get a palindrome (3864683).

The spelling of 1662022 in words is "one million, six hundred sixty-two thousand, twenty-two".