2222457520 has 20 divisors (see below), whose sum is σ = 5167213920. Its totient is φ = 888982976.

The previous prime is 2222457499. The next prime is 2222457539. The reversal of 2222457520 is 257542222.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13890280 + ... + 13890439.

It is an arithmetic number, because the mean of its divisors is an integer number (258360696).

Almost surely, 2^2222457520 is an apocalyptic number.

2222457520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222457520 is an abundant number, since it is smaller than the sum of its proper divisors (2944756400).

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

2222457520 is a wasteful number, since it uses less digits than its factorization.

2222457520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27780732 (or 27780726 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 2222457520 is about 47142.9477228567. The cubic root of 2222457520 is about 1305.0019367469.

Adding to 2222457520 its reverse (257542222), we get a palindrome (2479999742).

The spelling of 2222457520 in words is "two billion, two hundred twenty-two million, four hundred fifty-seven thousand, five hundred twenty".