7457223 has 8 divisors (see below), whose sum is σ = 9956736. Its totient is φ = 4964600.

The previous prime is 7457179. The next prime is 7457231. The reversal of 7457223 is 3227547.

7457223 is nontrivially palindromic in base 2.

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 7457223 - 2⁶ = 7457159 is a prime.

It is a super-2 number, since 2×7457223² = 111220349743458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7457243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1888 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (1244592).

Almost surely, 2^7457223 is an apocalyptic number.

7457223 is a deficient number, since it is larger than the sum of its proper divisors (2499513).

7457223 is a wasteful number, since it uses less digits than its factorization.

7457223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445.

The product of its digits is 11760, while the sum is 30.

The square root of 7457223 is about 2730.7916434617. The cubic root of 7457223 is about 195.3705249635.

The spelling of 7457223 in words is "seven million, four hundred fifty-seven thousand, two hundred twenty-three".