2261366 has 8 divisors (see below), whose sum is σ = 3483840. Its totient is φ = 1100088.

The previous prime is 2261353. The next prime is 2261377. The reversal of 2261366 is 6631622.

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

It is a super-2 number, since 2×2261366² = 10227552371912, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15206 + ... + 15353.

It is an arithmetic number, because the mean of its divisors is an integer number (435480).

2^2261366 is an apocalyptic number.

2261366 is a deficient number, since it is larger than the sum of its proper divisors (1222474).

2261366 is a wasteful number, since it uses less digits than its factorization.

2261366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30598.

The product of its digits is 2592, while the sum is 26.

The square root of 2261366 is about 1503.7838940486. The cubic root of 2261366 is about 131.2573462252.

Adding to 2261366 its reverse (6631622), we get a palindrome (8892988).

The spelling of 2261366 in words is "two million, two hundred sixty-one thousand, three hundred sixty-six".