2232222220 has 96 divisors (see below), whose sum is σ = 5327078400. Its totient is φ = 781127424.

The previous prime is 2232222211. The next prime is 2232222221. The reversal of 2232222220 is 222222322.

It is a super-3 number, since 3×2232222220³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (2232222221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249057 + ... + 257863.

It is an arithmetic number, because the mean of its divisors is an integer number (55490400).

Almost surely, 2^2232222220 is an apocalyptic number.

2232222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2232222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2663539200).

2232222220 is an abundant number, since it is smaller than the sum of its proper divisors (3094856180).

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

2232222220 is a wasteful number, since it uses less digits than its factorization.

2232222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8887 (or 8885 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2232222220 is about 47246.3990162213. The cubic root of 2232222220 is about 1306.9103849442.

Adding to 2232222220 its reverse (222222322), we get a palindrome (2454444542).

The spelling of 2232222220 in words is "two billion, two hundred thirty-two million, two hundred twenty-two thousand, two hundred twenty".