1022782 has 4 divisors (see below), whose sum is σ = 1534176. Its totient is φ = 511390.

The previous prime is 1022773. The next prime is 1022797. The reversal of 1022782 is 2872201.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255694 + ... + 255697.

It is an arithmetic number, because the mean of its divisors is an integer number (383544).

2^1022782 is an apocalyptic number.

1022782 is a deficient number, since it is larger than the sum of its proper divisors (511394).

1022782 is an equidigital number, since it uses as much as digits as its factorization.

1022782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511393.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1022782 is about 1011.3268512207. The cubic root of 1022782 is about 100.7537050156.

Adding to 1022782 its reverse (2872201), we get a palindrome (3894983).

The spelling of 1022782 in words is "one million, twenty-two thousand, seven hundred eighty-two".