2225022516 has 18 divisors (see below), whose sum is σ = 5624362562. Its totient is φ = 741674160.

The previous prime is 2225022511. The next prime is 2225022529. The reversal of 2225022516 is 6152205222.

It can be written as a sum of positive squares in only one way, i.e., 2213326116 + 11696400 = 47046^2 + 3420^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2225022516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225022511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30903055 + ... + 30903126.

Almost surely, 2^2225022516 is an apocalyptic number.

It is an amenable number.

2225022516 is an abundant number, since it is smaller than the sum of its proper divisors (3399340046).

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

2225022516 is a wasteful number, since it uses less digits than its factorization.

2225022516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61806191 (or 61806186 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2225022516 is about 47170.1443288019. The cubic root of 2225022516 is about 1305.5037892830.

Adding to 2225022516 its reverse (6152205222), we get a palindrome (8377227738).

The spelling of 2225022516 in words is "two billion, two hundred twenty-five million, twenty-two thousand, five hundred sixteen".