2211222099 has 8 divisors (see below), whose sum is σ = 2955506320. Its totient is φ = 1470542976.

The previous prime is 2211222077. The next prime is 2211222103. The reversal of 2211222099 is 9902221122.

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

It is not a de Polignac number, because 2211222099 - 2²¹ = 2209124947 is a prime.

It is a super-2 number, since 2×2211222099² = 9779006342211931602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211222029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899842 + ... + 902295.

It is an arithmetic number, because the mean of its divisors is an integer number (369438290).

Almost surely, 2^2211222099 is an apocalyptic number.

2211222099 is a deficient number, since it is larger than the sum of its proper divisors (744284221).

2211222099 is a wasteful number, since it uses less digits than its factorization.

2211222099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802549.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2211222099 is about 47023.6334091699. The cubic root of 2211222099 is about 1302.7991164423.

The spelling of 2211222099 in words is "two billion, two hundred eleven million, two hundred twenty-two thousand, ninety-nine".