7225251 has 8 divisors (see below), whose sum is σ = 10509504. Its totient is φ = 4378920.

The previous prime is 7225241. The next prime is 7225271. The reversal of 7225251 is 1525227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7225251 - 2⁷ = 7225123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7225241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109441 + ... + 109506.

It is an arithmetic number, because the mean of its divisors is an integer number (1313688).

Almost surely, 2^7225251 is an apocalyptic number.

7225251 is a deficient number, since it is larger than the sum of its proper divisors (3284253).

7225251 is a wasteful number, since it uses less digits than its factorization.

7225251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218961.

The product of its digits is 1400, while the sum is 24.

The square root of 7225251 is about 2687.9827008372. The cubic root of 7225251 is about 193.3233503235.

Subtracting from 7225251 its sum of digits (24), we obtain a palindrome (7225227).

The spelling of 7225251 in words is "seven million, two hundred twenty-five thousand, two hundred fifty-one".