1022782223 has 4 divisors (see below), whose sum is σ = 1023057360. Its totient is φ = 1022507088.

The previous prime is 1022782183. The next prime is 1022782247. The reversal of 1022782223 is 3222872201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022782223 - 2²² = 1018587919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022782273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131915 + ... + 139452.

It is an arithmetic number, because the mean of its divisors is an integer number (255764340).

Almost surely, 2^1022782223 is an apocalyptic number.

1022782223 is a deficient number, since it is larger than the sum of its proper divisors (275137).

1022782223 is an equidigital number, since it uses as much as digits as its factorization.

1022782223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275136.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1022782223 is about 31980.9665738858. The cubic root of 1022782223 is about 1007.5371233809.

The spelling of 1022782223 in words is "one billion, twenty-two million, seven hundred eighty-two thousand, two hundred twenty-three".