2511222 has 16 divisors (see below), whose sum is σ = 5740032. Its totient is φ = 717480.

The previous prime is 2511169. The next prime is 2511241. The reversal of 2511222 is 2221152.

2511222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29854 + ... + 29937.

It is an arithmetic number, because the mean of its divisors is an integer number (358752).

2^2511222 is an apocalyptic number.

2511222 is an abundant number, since it is smaller than the sum of its proper divisors (3228810).

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

2511222 is a wasteful number, since it uses less digits than its factorization.

2511222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59803.

The product of its digits is 80, while the sum is 15.

The square root of 2511222 is about 1584.6835646273. The cubic root of 2511222 is about 135.9236523614.

Adding to 2511222 its reverse (2221152), we get a palindrome (4732374).

The spelling of 2511222 in words is "two million, five hundred eleven thousand, two hundred twenty-two".