7225401 has 8 divisors (see below), whose sum is σ = 9646560. Its totient is φ = 4810592.

The previous prime is 7225373. The next prime is 7225403. The reversal of 7225401 is 1045227.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7225401 is a prime.

It is a super-2 number, since 2×7225401² = 104412839221602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7225403) 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, 2821 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (1205820).

Almost surely, 2^7225401 is an apocalyptic number.

It is an amenable number.

7225401 is a deficient number, since it is larger than the sum of its proper divisors (2421159).

7225401 is a wasteful number, since it uses less digits than its factorization.

7225401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7225401 is about 2688.0106026577. The cubic root of 7225401 is about 193.3246881456.

It can be divided in two parts, 7225 and 401, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 7225401 in words is "seven million, two hundred twenty-five thousand, four hundred one".