1022260859 has 4 divisors (see below), whose sum is σ = 1025899080. Its totient is φ = 1018622640.

The previous prime is 1022260843. The next prime is 1022260861. The reversal of 1022260859 is 9580622201.

It is a happy number.

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 1022260859 - 2⁴ = 1022260843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022260159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1818689 + ... + 1819250.

It is an arithmetic number, because the mean of its divisors is an integer number (256474770).

Almost surely, 2^1022260859 is an apocalyptic number.

1022260859 is a deficient number, since it is larger than the sum of its proper divisors (3638221).

1022260859 is an equidigital number, since it uses as much as digits as its factorization.

1022260859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638220.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1022260859 is about 31972.8143740897. The cubic root of 1022260859 is about 1007.3658966836.

The spelling of 1022260859 in words is "one billion, twenty-two million, two hundred sixty thousand, eight hundred fifty-nine".