2269656 has 48 divisors (see below), whose sum is σ = 6364800. Its totient is φ = 729792.

The previous prime is 2269639. The next prime is 2269661. The reversal of 2269656 is 6569622.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2269656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1545 + ... + 2631.

It is an arithmetic number, because the mean of its divisors is an integer number (132600).

2^2269656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2269656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3182400).

2269656 is an abundant number, since it is smaller than the sum of its proper divisors (4095144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2269656 is a wasteful number, since it uses less digits than its factorization.

2269656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1121 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2269656 is about 1506.5377525970. The cubic root of 2269656 is about 131.4175438583.

The spelling of 2269656 in words is "two million, two hundred sixty-nine thousand, six hundred fifty-six".