5451228 has 18 divisors (see below), whose sum is σ = 13779584. Its totient is φ = 1817064.

The previous prime is 5451151. The next prime is 5451241. The reversal of 5451228 is 8221545.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75676 + ... + 75747.

Almost surely, 2^5451228 is an apocalyptic number.

It is an amenable number.

5451228 is an abundant number, since it is smaller than the sum of its proper divisors (8328356).

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

5451228 is a wasteful number, since it uses less digits than its factorization.

5451228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151433 (or 151428 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 5451228 is about 2334.7864998753. The cubic root of 5451228 is about 175.9941027638.

The spelling of 5451228 in words is "five million, four hundred fifty-one thousand, two hundred twenty-eight".