1288022 has 16 divisors (see below), whose sum is σ = 2095632. Its totient is φ = 591360.

The previous prime is 1288013. The next prime is 1288033. The reversal of 1288022 is 2208821.

It is a congruent number.

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, 1022 + ... + 1902.

It is an arithmetic number, because the mean of its divisors is an integer number (130977).

2^1288022 is an apocalyptic number.

1288022 is a deficient number, since it is larger than the sum of its proper divisors (807610).

1288022 is a wasteful number, since it uses less digits than its factorization.

1288022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1288022 is about 1134.9105691639. The cubic root of 1288022 is about 108.8030559803.

The spelling of 1288022 in words is "one million, two hundred eighty-eight thousand, twenty-two".