7225757 has 24 divisors (see below), whose sum is σ = 9576000. Its totient is φ = 5322240.

The previous prime is 7225747. The next prime is 7225781. The reversal of 7225757 is 7575227.

It is not a de Polignac number, because 7225757 - 2¹² = 7221661 is a prime.

7225757 is a modest number, since divided by 5757 gives 722 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15869 + ... + 16317.

It is an arithmetic number, because the mean of its divisors is an integer number (399000).

Almost surely, 2^7225757 is an apocalyptic number.

7225757 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

7225757 is a deficient number, since it is larger than the sum of its proper divisors (2350243).

7225757 is a wasteful number, since it uses less digits than its factorization.

7225757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 486 counting only the distinct ones).

The product of its digits is 34300, while the sum is 35.

The square root of 7225757 is about 2688.0768218189. The cubic root of 7225757 is about 193.3278631693.

The spelling of 7225757 in words is "seven million, two hundred twenty-five thousand, seven hundred fifty-seven".