2267661 has 12 divisors (see below), whose sum is σ = 3323936. Its totient is φ = 1374120.

The previous prime is 2267653. The next prime is 2267663. The reversal of 2267661 is 1667622.

It is not a de Polignac number, because 2267661 - 2³ = 2267653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2267663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2761 + ... + 3486.

2^2267661 is an apocalyptic number.

It is an amenable number.

2267661 is a deficient number, since it is larger than the sum of its proper divisors (1056275).

2267661 is a wasteful number, since it uses less digits than its factorization.

2267661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272 (or 6261 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 2267661 is about 1505.8754928612. The cubic root of 2267661 is about 131.3790277638.

It can be divided in two parts, 226 and 7661, that added together give a palindrome (7887).

The spelling of 2267661 in words is "two million, two hundred sixty-seven thousand, six hundred sixty-one".