1090198022 has 32 divisors (see below), whose sum is σ = 1746800640. Its totient is φ = 509148640.

The previous prime is 1090198019. The next prime is 1090198037. The reversal of 1090198022 is 2208910901.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1090198022.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 581747 + ... + 583617.

It is an arithmetic number, because the mean of its divisors is an integer number (54587520).

Almost surely, 2^1090198022 is an apocalyptic number.

1090198022 is a deficient number, since it is larger than the sum of its proper divisors (656602618).

1090198022 is a wasteful number, since it uses less digits than its factorization.

1090198022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1090198022 is about 33018.1468589623. The cubic root of 1090198022 is about 1029.2047847702.

The spelling of 1090198022 in words is "one billion, ninety million, one hundred ninety-eight thousand, twenty-two".