2222556 has 24 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 634992.

The previous prime is 2222543. The next prime is 2222567. The reversal of 2222556 is 6552222.

It is a d-powerful number, because it can be written as 2⁹ + 2¹¹ + 2¹² + 2¹⁸ + 5⁴ + 5⁹ + 6 .

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13146 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (246960).

2^2222556 is an apocalyptic number.

It is an amenable number.

2222556 is an abundant number, since it is smaller than the sum of its proper divisors (3704484).

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

2222556 is a wasteful number, since it uses less digits than its factorization.

2222556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26473 (or 26471 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 2222556 is about 1490.8239332664. The cubic root of 2222556 is about 130.5021211910.

Adding to 2222556 its reverse (6552222), we get a palindrome (8774778).

It can be divided in two parts, 22 and 22556, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 2222556 in words is "two million, two hundred twenty-two thousand, five hundred fifty-six".