7225750 has 32 divisors (see below), whose sum is σ = 15462720. Its totient is φ = 2476800.

The previous prime is 7225747. The next prime is 7225781. The reversal of 7225750 is 575227.

It is a super-2 number, since 2×7225750² = 104422926125000, which contains 22 as substring.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315 + ... + 3814.

It is an arithmetic number, because the mean of its divisors is an integer number (483210).

Almost surely, 2^7225750 is an apocalyptic number.

7225750 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7225750 is an abundant number, since it is smaller than the sum of its proper divisors (8236970).

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

7225750 is a wasteful number, since it uses less digits than its factorization.

7225750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 7225750 is about 2688.0755197725. The cubic root of 7225750 is about 193.3278007401.

The spelling of 7225750 in words is "seven million, two hundred twenty-five thousand, seven hundred fifty".