2209890122 has 16 divisors (see below), whose sum is σ = 3619314144. Its totient is φ = 1003626000.

The previous prime is 2209890113. The next prime is 2209890169. The reversal of 2209890122 is 2210989022.

2209890122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2209890122² = 9767228702626349768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17129 + ... + 68652.

It is an arithmetic number, because the mean of its divisors is an integer number (226207134).

Almost surely, 2^2209890122 is an apocalyptic number.

2209890122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2209890122 is a deficient number, since it is larger than the sum of its proper divisors (1409424022).

2209890122 is a wasteful number, since it uses less digits than its factorization.

2209890122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86965.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 2209890122 is about 47009.4684292431. The cubic root of 2209890122 is about 1302.5374742479.

The spelling of 2209890122 in words is "two billion, two hundred nine million, eight hundred ninety thousand, one hundred twenty-two".