2222475640 has 256 divisors, whose sum is σ = 6482488320. Its totient is φ = 665763840.

The previous prime is 2222475631. The next prime is 2222475677. The reversal of 2222475640 is 465742222.

It is a junction number, because it is equal to n+sod(n) for n = 2222475596 and 2222475605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12846594 + ... + 12846766.

It is an arithmetic number, because the mean of its divisors is an integer number (25322220).

Almost surely, 2^2222475640 is an apocalyptic number.

2222475640 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 2222475640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3241244160).

2222475640 is an abundant number, since it is smaller than the sum of its proper divisors (4260012680).

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

2222475640 is a wasteful number, since it uses less digits than its factorization.

2222475640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 2222475640 is about 47143.1399039139. The cubic root of 2222475640 is about 1305.0054833570.

The spelling of 2222475640 in words is "two billion, two hundred twenty-two million, four hundred seventy-five thousand, six hundred forty".