5221756 has 12 divisors (see below), whose sum is σ = 9193968. Its totient is φ = 2594912.

The previous prime is 5221729. The next prime is 5221757. The reversal of 5221756 is 6571225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241 + ... + 4576.

It is an arithmetic number, because the mean of its divisors is an integer number (766164).

Almost surely, 2^5221756 is an apocalyptic number.

It is an amenable number.

5221756 is a deficient number, since it is larger than the sum of its proper divisors (3972212).

5221756 is a wasteful number, since it uses less digits than its factorization.

5221756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988 (or 7986 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 5221756 is about 2285.1161896061. The cubic root of 5221756 is about 173.4890989671.

It can be divided in two parts, 522 and 1756, that added together give a triangular number (2278 = T₆₇).

The spelling of 5221756 in words is "five million, two hundred twenty-one thousand, seven hundred fifty-six".