1085422249 has 4 divisors (see below), whose sum is σ = 1091105280. Its totient is φ = 1079739220.

The previous prime is 1085422229. The next prime is 1085422259. The reversal of 1085422249 is 9422245801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1085422249 - 2²¹ = 1083325097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085422229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2841229 + ... + 2841610.

It is an arithmetic number, because the mean of its divisors is an integer number (272776320).

Almost surely, 2^1085422249 is an apocalyptic number.

It is an amenable number.

1085422249 is a deficient number, since it is larger than the sum of its proper divisors (5683031).

1085422249 is an equidigital number, since it uses as much as digits as its factorization.

1085422249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683030.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1085422249 is about 32945.7470548173. The cubic root of 1085422249 is about 1027.6997238653.

The spelling of 1085422249 in words is "one billion, eighty-five million, four hundred twenty-two thousand, two hundred forty-nine".