2261318 has 8 divisors (see below), whose sum is σ = 3402648. Its totient is φ = 1127104.

The previous prime is 2261309. The next prime is 2261353. The reversal of 2261318 is 8131622.

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

It is a super-2 number, since 2×2261318² = 10227118194248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2261293 and 2261302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (425331).

2^2261318 is an apocalyptic number.

2261318 is a deficient number, since it is larger than the sum of its proper divisors (1141330).

2261318 is a wasteful number, since it uses less digits than its factorization.

2261318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558.

The product of its digits is 576, while the sum is 23.

The square root of 2261318 is about 1503.7679342239. The cubic root of 2261318 is about 131.2564175245.

The spelling of 2261318 in words is "two million, two hundred sixty-one thousand, three hundred eighteen".