2222450540 has 24 divisors (see below), whose sum is σ = 4676126112. Its totient is φ = 887269760.

The previous prime is 2222450479. The next prime is 2222450557. The reversal of 2222450540 is 450542222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96224 + ... + 117063.

It is an arithmetic number, because the mean of its divisors is an integer number (194838588).

Almost surely, 2^2222450540 is an apocalyptic number.

2222450540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222450540 is an abundant number, since it is smaller than the sum of its proper divisors (2453675572).

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

2222450540 is a wasteful number, since it uses less digits than its factorization.

2222450540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213817 (or 213815 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2222450540 is about 47142.8736926378. The cubic root of 2222450540 is about 1305.0005705531. Note that the first 3 decimals are identical.

Adding to 2222450540 its reverse (450542222), we get a palindrome (2672992762).

The spelling of 2222450540 in words is "two billion, two hundred twenty-two million, four hundred fifty thousand, five hundred forty".