2225163555 has 40 divisors (see below), whose sum is σ = 3992274000. Its totient is φ = 1185724224.

The previous prime is 2225163529. The next prime is 2225163557. The reversal of 2225163555 is 5553615222.

2225163555 is a `hidden beast` number, since 22 + 25 + 1 + 63 + 555 = 666.

It is not a de Polignac number, because 2225163555 - 2⁶ = 2225163491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2225163557) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 787936 + ... + 790754.

It is an arithmetic number, because the mean of its divisors is an integer number (99806850).

Almost surely, 2^2225163555 is an apocalyptic number.

2225163555 is a deficient number, since it is larger than the sum of its proper divisors (1767110445).

2225163555 is a wasteful number, since it uses less digits than its factorization.

2225163555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785 (or 4776 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 2225163555 is about 47171.6393079571. The cubic root of 2225163555 is about 1305.5313729827.

Adding to 2225163555 its reverse (5553615222), we get a palindrome (7778778777).

The spelling of 2225163555 in words is "two billion, two hundred twenty-five million, one hundred sixty-three thousand, five hundred fifty-five".