1022259799 has 8 divisors (see below), whose sum is σ = 1118782080. Its totient is φ = 926335800.

The previous prime is 1022259787. The next prime is 1022259809. The reversal of 1022259799 is 9979522201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022259799 - 2¹¹ = 1022257751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022259779) 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 7 ways as a sum of consecutive naturals, for example, 145989 + ... + 152830.

It is an arithmetic number, because the mean of its divisors is an integer number (139847760).

Almost surely, 2^1022259799 is an apocalyptic number.

1022259799 is a deficient number, since it is larger than the sum of its proper divisors (96522281).

1022259799 is a wasteful number, since it uses less digits than its factorization.

1022259799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299141.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 1022259799 is about 31972.7977975028. The cubic root of 1022259799 is about 1007.3655484984.

The spelling of 1022259799 in words is "one billion, twenty-two million, two hundred fifty-nine thousand, seven hundred ninety-nine".