2222540 has 12 divisors (see below), whose sum is σ = 4667376. Its totient is φ = 889008.

The previous prime is 2222537. The next prime is 2222543. The reversal of 2222540 is 452222.

2222540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2222537) and next prime (2222543).

It is not an unprimeable number, because it can be changed into a prime (2222543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 55544 + ... + 55583.

It is an arithmetic number, because the mean of its divisors is an integer number (388948).

2^2222540 is an apocalyptic number.

2222540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222540 is an abundant number, since it is smaller than the sum of its proper divisors (2444836).

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

2222540 is a wasteful number, since it uses less digits than its factorization.

2222540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111136 (or 111134 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2222540 is about 1490.8185670966. The cubic root of 2222540 is about 130.5018080322.

Adding to 2222540 its reverse (452222), we get a palindrome (2674762).

The spelling of 2222540 in words is "two million, two hundred twenty-two thousand, five hundred forty".