2211823090 has 8 divisors (see below), whose sum is σ = 3981281580. Its totient is φ = 884729232.

The previous prime is 2211823073. The next prime is 2211823091. The reversal of 2211823090 is 903281122.

It can be written as a sum of positive squares in 2 ways, for example, as 2098464481 + 113358609 = 45809^2 + 10647^2 .

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

It is a super-2 number, since 2×2211823090² = 9784322762914296200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211823091) 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 3 ways as a sum of consecutive naturals, for example, 110591145 + ... + 110591164.

Almost surely, 2^2211823090 is an apocalyptic number.

2211823090 is a deficient number, since it is larger than the sum of its proper divisors (1769458490).

2211823090 is a wasteful number, since it uses less digits than its factorization.

2211823090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221182316.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2211823090 is about 47030.0232830051. The cubic root of 2211823090 is about 1302.9171355866.

The spelling of 2211823090 in words is "two billion, two hundred eleven million, eight hundred twenty-three thousand, ninety".