7302225 has 36 divisors (see below), whose sum is σ = 14051184. Its totient is φ = 3336480.

The previous prime is 7302187. The next prime is 7302241. The reversal of 7302225 is 5222037.

7302225 = T₃₃₆ + T₃₃₇ + ... + T₄₃₃.

7302225 = 223² + 224² + ... + 320².

It is not a de Polignac number, because 7302225 - 2¹⁴ = 7285841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2682 + ... + 4668.

Almost surely, 2^7302225 is an apocalyptic number.

7302225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7302225 is a deficient number, since it is larger than the sum of its proper divisors (6748959).

7302225 is a wasteful number, since it uses less digits than its factorization.

7302225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 7302225 is about 2702.2629405741. The cubic root of 7302225 is about 194.0074482562.

The spelling of 7302225 in words is "seven million, three hundred two thousand, two hundred twenty-five".