3537447228 has 72 divisors (see below), whose sum is σ = 10597804672. Its totient is φ = 1010697264.

The previous prime is 3537447217. The next prime is 3537447229. The reversal of 3537447228 is 8227447353.

3537447228 is a `hidden beast` number, since 3 + 537 + 44 + 72 + 2 + 8 = 666.

3537447228 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3537447229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253150 + ... + 266757.

Almost surely, 2^3537447228 is an apocalyptic number.

It is an amenable number.

3537447228 is an abundant number, since it is smaller than the sum of its proper divisors (7060357444).

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

3537447228 is a wasteful number, since it uses less digits than its factorization.

3537447228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519933 (or 519919 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 3537447228 is about 59476.4426306752. The cubic root of 3537447228 is about 1523.6901378830.

The spelling of 3537447228 in words is "three billion, five hundred thirty-seven million, four hundred forty-seven thousand, two hundred twenty-eight".