1022804385 has 16 divisors (see below), whose sum is σ = 1663316160. Its totient is φ = 536552640.

The previous prime is 1022804383. The next prime is 1022804413. The reversal of 1022804385 is 5834082201.

It is not a de Polignac number, because 1022804385 - 2¹ = 1022804383 is a prime.

It is a super-2 number, since 2×1022804385² = 2092257619950456450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022804383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557995 + ... + 559824.

It is an arithmetic number, because the mean of its divisors is an integer number (103957260).

Almost surely, 2^1022804385 is an apocalyptic number.

1022804385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1022804385 is a deficient number, since it is larger than the sum of its proper divisors (640511775).

1022804385 is a wasteful number, since it uses less digits than its factorization.

1022804385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117888.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1022804385 is about 31981.3130593476. The cubic root of 1022804385 is about 1007.5444005497.

Adding to 1022804385 its reverse (5834082201), we get a palindrome (6856886586).

The spelling of 1022804385 in words is "one billion, twenty-two million, eight hundred four thousand, three hundred eighty-five".