2263556 has 6 divisors (see below), whose sum is σ = 3961230. Its totient is φ = 1131776.

The previous prime is 2263553. The next prime is 2263559. The reversal of 2263556 is 6553622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2263553) and next prime (2263559).

It can be written as a sum of positive squares in only one way, i.e., 1915456 + 348100 = 1384^2 + 590^2 .

It is not an unprimeable number, because it can be changed into a prime (2263553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282941 + ... + 282948.

It is an arithmetic number, because the mean of its divisors is an integer number (660205).

2^2263556 is an apocalyptic number.

It is an amenable number.

2263556 is a deficient number, since it is larger than the sum of its proper divisors (1697674).

2263556 is a wasteful number, since it uses less digits than its factorization.

2263556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565893 (or 565891 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 2263556 is about 1504.5118809767. The cubic root of 2263556 is about 131.2997042284.

The spelling of 2263556 in words is "two million, two hundred sixty-three thousand, five hundred fifty-six".