1022821898 has 16 divisors (see below), whose sum is σ = 1856551104. Its totient is φ = 412566720.

The previous prime is 1022821853. The next prime is 1022821901. The reversal of 1022821898 is 8981282201.

1022821898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2148548 + ... + 2149023.

It is an arithmetic number, because the mean of its divisors is an integer number (116034444).

Almost surely, 2^1022821898 is an apocalyptic number.

1022821898 is a deficient number, since it is larger than the sum of its proper divisors (833729206).

1022821898 is a wasteful number, since it uses less digits than its factorization.

1022821898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297597.

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 1022821898 is about 31981.5868586910. The cubic root of 1022821898 is about 1007.5501510870.

The spelling of 1022821898 in words is "one billion, twenty-two million, eight hundred twenty-one thousand, eight hundred ninety-eight".