7226401 has 8 divisors (see below), whose sum is σ = 8894144. Its totient is φ = 5717520.

The previous prime is 7226381. The next prime is 7226431. The reversal of 7226401 is 1046227.

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

It is a cyclic number.

It is not a de Polignac number, because 7226401 - 2⁵ = 7226369 is a prime.

It is a super-4 number, since 4×7226401⁴ (a number of 29 digits) contains 4444 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7226431) 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, 39615 + ... + 39796.

It is an arithmetic number, because the mean of its divisors is an integer number (1111768).

Almost surely, 2^7226401 is an apocalyptic number.

It is an amenable number.

7226401 is a deficient number, since it is larger than the sum of its proper divisors (1667743).

7226401 is a wasteful number, since it uses less digits than its factorization.

7226401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79431.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7226401 is about 2688.1966073931. The cubic root of 7226401 is about 193.3336064866. Note that the first 3 decimals are identical.

The spelling of 7226401 in words is "seven million, two hundred twenty-six thousand, four hundred one".