5731228 has 6 divisors (see below), whose sum is σ = 10029656. Its totient is φ = 2865612.

The previous prime is 5731207. The next prime is 5731259. The reversal of 5731228 is 8221375.

It is a junction number, because it is equal to n+sod(n) for n = 5731196 and 5731205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716400 + ... + 716407.

Almost surely, 2^5731228 is an apocalyptic number.

It is an amenable number.

5731228 is a deficient number, since it is larger than the sum of its proper divisors (4298428).

5731228 is a wasteful number, since it uses less digits than its factorization.

5731228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432811 (or 1432809 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 5731228 is about 2393.9983291556. The cubic root of 5731228 is about 178.9572216574.

It can be divided in two parts, 57312 and 28, that multiplied together give a triangular number (1604736 = T₁₇₉₁).

The spelling of 5731228 in words is "five million, seven hundred thirty-one thousand, two hundred twenty-eight".