2212554 has 16 divisors (see below), whose sum is σ = 4617792. Its totient is φ = 705408.

The previous prime is 2212547. The next prime is 2212571. The reversal of 2212554 is 4552122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212554.

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, 7879 + ... + 8154.

It is an arithmetic number, because the mean of its divisors is an integer number (288612).

2^2212554 is an apocalyptic number.

2212554 is an abundant number, since it is smaller than the sum of its proper divisors (2405238).

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

2212554 is a wasteful number, since it uses less digits than its factorization.

2212554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16061.

The product of its digits is 800, while the sum is 21.

The square root of 2212554 is about 1487.4656298550. The cubic root of 2212554 is about 130.3060638667.

Adding to 2212554 its reverse (4552122), we get a palindrome (6764676).

It can be divided in two parts, 221 and 2554, that added together give a triangular number (2775 = T₇₄).

The spelling of 2212554 in words is "two million, two hundred twelve thousand, five hundred fifty-four".