7225001 has 6 divisors (see below), whose sum is σ = 8404650. Its totient is φ = 6192816.

The previous prime is 7224947. The next prime is 7225007. The reversal of 7225001 is 1005227.

It can be written as a sum of positive squares in only one way, i.e., 3705625 + 3519376 = 1925^2 + 1876^2 .

It is not a de Polignac number, because 7225001 - 2⁶ = 7224937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7225007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73676 + ... + 73773.

It is an arithmetic number, because the mean of its divisors is an integer number (1400775).

Almost surely, 2^7225001 is an apocalyptic number.

It is an amenable number.

7225001 is a deficient number, since it is larger than the sum of its proper divisors (1179649).

7225001 is a wasteful number, since it uses less digits than its factorization.

7225001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147463 (or 147456 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 7225001 is about 2687.9361971594. The cubic root of 7225001 is about 193.3211205788.

The spelling of 7225001 in words is "seven million, two hundred twenty-five thousand, one".