2225546228 has 54 divisors (see below), whose sum is σ = 4367313846. Its totient is φ = 992007936.

The previous prime is 2225546221. The next prime is 2225546249. The reversal of 2225546228 is 8226455222.

It can be written as a sum of positive squares in 3 ways, for example, as 1681164004 + 544382224 = 41002^2 + 23332^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 2225546191 and 2225546200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225546221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 414650 + ... + 419982.

Almost surely, 2^2225546228 is an apocalyptic number.

It is an amenable number.

2225546228 is a deficient number, since it is larger than the sum of its proper divisors (2141767618).

2225546228 is a wasteful number, since it uses less digits than its factorization.

2225546228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5409 (or 5371 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

The square root of 2225546228 is about 47175.6953101912. The cubic root of 2225546228 is about 1305.6062083761.

The spelling of 2225546228 in words is "two billion, two hundred twenty-five million, five hundred forty-six thousand, two hundred twenty-eight".