1440022 has 8 divisors (see below), whose sum is σ = 2190672. Its totient is φ = 709800.

The previous prime is 1440017. The next prime is 1440037. The reversal of 1440022 is 2200441.

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

It is a junction number, because it is equal to n+sod(n) for n = 1439984 and 1440011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4929 + ... + 5212.

It is an arithmetic number, because the mean of its divisors is an integer number (273834).

2^1440022 is an apocalyptic number.

1440022 is a deficient number, since it is larger than the sum of its proper divisors (750650).

1440022 is a wasteful number, since it uses less digits than its factorization.

1440022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10214.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1440022 is about 1200.0091666317. The cubic root of 1440022 is about 112.9248985404.

Adding to 1440022 its reverse (2200441), we get a palindrome (3640463).

The spelling of 1440022 in words is "one million, four hundred forty thousand, twenty-two".