2225656 has 8 divisors (see below), whose sum is σ = 4173120. Its totient is φ = 1112824.

The previous prime is 2225653. The next prime is 2225659. The reversal of 2225656 is 6565222.

It is an interprime number because it is at equal distance from previous prime (2225653) and next prime (2225659).

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139096 + ... + 139111.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

2^2225656 is an apocalyptic number.

It is an amenable number.

2225656 is a deficient number, since it is larger than the sum of its proper divisors (1947464).

2225656 is a wasteful number, since it uses less digits than its factorization.

2225656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278213 (or 278209 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 2225656 is about 1491.8632645119. The cubic root of 2225656 is about 130.5627673765.

The spelling of 2225656 in words is "two million, two hundred twenty-five thousand, six hundred fifty-six".