2261631122 has 16 divisors (see below), whose sum is σ = 3403296000. Its totient is φ = 1127206080.

The previous prime is 2261631109. The next prime is 2261631131. The reversal of 2261631122 is 2211361622.

It is a happy number.

It is a super-3 number, since 3×2261631122³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2261631091 and 2261631100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207847 + ... + 1209717.

It is an arithmetic number, because the mean of its divisors is an integer number (212706000).

Almost surely, 2^2261631122 is an apocalyptic number.

2261631122 is a deficient number, since it is larger than the sum of its proper divisors (1141664878).

2261631122 is a wasteful number, since it uses less digits than its factorization.

2261631122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481.

The product of its digits is 1728, while the sum is 26.

The square root of 2261631122 is about 47556.6096562823. The cubic root of 2261631122 is about 1312.6247555125.

Adding to 2261631122 its reverse (2211361622), we get a palindrome (4472992744).

The spelling of 2261631122 in words is "two billion, two hundred sixty-one million, six hundred thirty-one thousand, one hundred twenty-two".