2261237 has 8 divisors (see below), whose sum is σ = 2481600. Its totient is φ = 2043360.

The previous prime is 2261227. The next prime is 2261267. The reversal of 2261237 is 7321622.

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

It is not a de Polignac number, because 2261237 - 2⁶ = 2261173 is a prime.

It is a super-2 number, since 2×2261237² = 10226385540338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1673 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (310200).

2^2261237 is an apocalyptic number.

It is an amenable number.

2261237 is a deficient number, since it is larger than the sum of its proper divisors (220363).

2261237 is a wasteful number, since it uses less digits than its factorization.

2261237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its digits is 1008, while the sum is 23.

The square root of 2261237 is about 1503.7410016356. The cubic root of 2261237 is about 131.2548503121.

Adding to 2261237 its reverse (7321622), we get a palindrome (9582859).

The spelling of 2261237 in words is "two million, two hundred sixty-one thousand, two hundred thirty-seven".