2022556 has 6 divisors (see below), whose sum is σ = 3539480. Its totient is φ = 1011276.

The previous prime is 2022539. The next prime is 2022583. The reversal of 2022556 is 6552202.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 252816 + ... + 252823.

2^2022556 is an apocalyptic number.

It is an amenable number.

2022556 is a deficient number, since it is larger than the sum of its proper divisors (1516924).

2022556 is a wasteful number, since it uses less digits than its factorization.

2022556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505643 (or 505641 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2022556 is about 1422.1659537480. The cubic root of 2022556 is about 126.4639817883.

Adding to 2022556 its reverse (6552202), we get a palindrome (8574758).

The spelling of 2022556 in words is "two million, twenty-two thousand, five hundred fifty-six".