4222505440 has 24 divisors (see below), whose sum is σ = 9975669480. Its totient is φ = 1689002112.

The previous prime is 4222505437. The next prime is 4222505477. The reversal of 4222505440 is 445052224.

It is a junction number, because it is equal to n+sod(n) for n = 4222505399 and 4222505408.

It is a congruent number.

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, 13195170 + ... + 13195489.

It is an arithmetic number, because the mean of its divisors is an integer number (415652895).

Almost surely, 2^4222505440 is an apocalyptic number.

4222505440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4222505440 is an abundant number, since it is smaller than the sum of its proper divisors (5753164040).

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

4222505440 is a wasteful number, since it uses less digits than its factorization.

4222505440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26390674 (or 26390666 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 4222505440 is about 64980.8082436653. The cubic root of 4222505440 is about 1616.3053331169.

Adding to 4222505440 its reverse (445052224), we get a palindrome (4667557664).

The spelling of 4222505440 in words is "four billion, two hundred twenty-two million, five hundred five thousand, four hundred forty".