2223222140 has 36 divisors (see below), whose sum is σ = 4739681016. Its totient is φ = 875980512.

The previous prime is 2223222137. The next prime is 2223222151. The reversal of 2223222140 is 412223222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77399 + ... + 102161.

It is an arithmetic number, because the mean of its divisors is an integer number (131657806).

Almost surely, 2^2223222140 is an apocalyptic number.

2223222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223222140 is an abundant number, since it is smaller than the sum of its proper divisors (2516458876).

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

2223222140 is a wasteful number, since it uses less digits than its factorization.

2223222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24906 (or 24837 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2223222140 is about 47151.0566159445. The cubic root of 2223222140 is about 1305.1515783279.

Adding to 2223222140 its reverse (412223222), we get a palindrome (2635445362).

The spelling of 2223222140 in words is "two billion, two hundred twenty-three million, two hundred twenty-two thousand, one hundred forty".