7227445 has 8 divisors (see below), whose sum is σ = 8795520. Its totient is φ = 5700240.

The previous prime is 7227419. The next prime is 7227449. The reversal of 7227445 is 5447227.

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

It is not a de Polignac number, because 7227445 - 2⁷ = 7227317 is a prime.

It is a super-2 number, since 2×7227445² = 104471922456050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁷ + 2¹⁵ + 2¹⁹ + 7⁸ + 4⁷ + 4⁸ + 5³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7227449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9825 + ... + 10534.

It is an arithmetic number, because the mean of its divisors is an integer number (1099440).

Almost surely, 2^7227445 is an apocalyptic number.

It is an amenable number.

7227445 is a deficient number, since it is larger than the sum of its proper divisors (1568075).

7227445 is a wasteful number, since it uses less digits than its factorization.

7227445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20435.

The product of its digits is 15680, while the sum is 31.

The square root of 7227445 is about 2688.3907826058. The cubic root of 7227445 is about 193.3429163568.

The spelling of 7227445 in words is "seven million, two hundred twenty-seven thousand, four hundred forty-five".