2422222140 has 48 divisors (see below), whose sum is σ = 7303933728. Its totient is φ = 596239104.

The previous prime is 2422222111. The next prime is 2422222141. The reversal of 2422222140 is 412222242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422222141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1551927 + ... + 1553486.

It is an arithmetic number, because the mean of its divisors is an integer number (152165286).

Almost surely, 2^2422222140 is an apocalyptic number.

2422222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2422222140 is an abundant number, since it is smaller than the sum of its proper divisors (4881711588).

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

2422222140 is a wasteful number, since it uses less digits than its factorization.

2422222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105438 (or 3105436 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2422222140 is about 49216.0760321259. The cubic root of 2422222140 is about 1342.9854983153.

Adding to 2422222140 its reverse (412222242), we get a palindrome (2834444382).

The spelling of 2422222140 in words is "two billion, four hundred twenty-two million, two hundred twenty-two thousand, one hundred forty".