1122204790 has 32 divisors (see below), whose sum is σ = 2430040320. Its totient is φ = 364505184.

The previous prime is 1122204773. The next prime is 1122204803. The reversal of 1122204790 is 974022211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420552 + ... + 423211.

It is an arithmetic number, because the mean of its divisors is an integer number (75938760).

Almost surely, 2^1122204790 is an apocalyptic number.

1122204790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122204790 is an abundant number, since it is smaller than the sum of its proper divisors (1307835530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122204790 is a wasteful number, since it uses less digits than its factorization.

1122204790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843796.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1122204790 is about 33499.3252170846. The cubic root of 1122204790 is about 1039.1798236444.

The spelling of 1122204790 in words is "one billion, one hundred twenty-two million, two hundred four thousand, seven hundred ninety".