2210056 has 8 divisors (see below), whose sum is σ = 4143870. Its totient is φ = 1105024.

The previous prime is 2210053. The next prime is 2210057. The reversal of 2210056 is 6500122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1276900 + 933156 = 1130^2 + 966^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2210053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138121 + ... + 138136.

2^2210056 is an apocalyptic number.

It is an amenable number.

2210056 is a deficient number, since it is larger than the sum of its proper divisors (1933814).

2210056 is a wasteful number, since it uses less digits than its factorization.

2210056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276263 (or 276259 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2210056 is about 1486.6257094508. The cubic root of 2210056 is about 130.2570063637.

Adding to 2210056 its reverse (6500122), we get a palindrome (8710178).

The spelling of 2210056 in words is "two million, two hundred ten thousand, fifty-six".