2222140 has 24 divisors (see below), whose sum is σ = 4706352. Its totient is φ = 881280.

The previous prime is 2222123. The next prime is 2222141. The reversal of 2222140 is 412222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335 + ... + 3145.

It is an arithmetic number, because the mean of its divisors is an integer number (196098).

2^2222140 is an apocalyptic number.

2222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222140 is an abundant number, since it is smaller than the sum of its proper divisors (2484212).

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

2222140 is a wasteful number, since it uses less digits than its factorization.

2222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2222140 is about 1490.6844065730. The cubic root of 2222140 is about 130.4939785735.

Adding to 2222140 its reverse (412222), we get a palindrome (2634362).

The spelling of 2222140 in words is "two million, two hundred twenty-two thousand, one hundred forty".