3547228 has 6 divisors (see below), whose sum is σ = 6207656. Its totient is φ = 1773612.

The previous prime is 3547223. The next prime is 3547249. The reversal of 3547228 is 8227453.

It is a self number, because there is not a number n which added to its sum of digits gives 3547228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443400 + ... + 443407.

Almost surely, 2^3547228 is an apocalyptic number.

It is an amenable number.

3547228 is a deficient number, since it is larger than the sum of its proper divisors (2660428).

3547228 is a wasteful number, since it uses less digits than its factorization.

3547228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886811 (or 886809 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 3547228 is about 1883.4086120648. The cubic root of 3547228 is about 152.5093141315.

The spelling of 3547228 in words is "three million, five hundred forty-seven thousand, two hundred twenty-eight".