2209230774 has 40 divisors (see below), whose sum is σ = 4955356560. Its totient is φ = 735660144.

The previous prime is 2209230773. The next prime is 2209230781. The reversal of 2209230774 is 4770329022.

It is a super-2 number, since 2×2209230774² = 9761401225577278152, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209230773) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 165792 + ... + 178620.

It is an arithmetic number, because the mean of its divisors is an integer number (123883914).

Almost surely, 2^2209230774 is an apocalyptic number.

2209230774 is an abundant number, since it is smaller than the sum of its proper divisors (2746125786).

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

2209230774 is a wasteful number, since it uses less digits than its factorization.

2209230774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13906 (or 13897 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 2209230774 is about 47002.4549784370. The cubic root of 2209230774 is about 1302.4079186503.

Adding to 2209230774 its reverse (4770329022), we get a palindrome (6979559796).

The spelling of 2209230774 in words is "two billion, two hundred nine million, two hundred thirty thousand, seven hundred seventy-four".