2273656 has 32 divisors (see below), whose sum is σ = 5316480. Its totient is φ = 885600.

The previous prime is 2273651. The next prime is 2273659. The reversal of 2273656 is 6563722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273651) 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, 1230 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (166140).

2^2273656 is an apocalyptic number.

It is an amenable number.

2273656 is an abundant number, since it is smaller than the sum of its proper divisors (3042824).

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

2273656 is a wasteful number, since it uses less digits than its factorization.

2273656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715 (or 3711 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 2273656 is about 1507.8647154171. The cubic root of 2273656 is about 131.4947011701.

It can be divided in two parts, 227 and 3656, that added together give a palindrome (3883).

The spelling of 2273656 in words is "two million, two hundred seventy-three thousand, six hundred fifty-six".