7223643 has 12 divisors (see below), whose sum is σ = 11924848. Its totient is φ = 4127760.

The previous prime is 7223641. The next prime is 7223647. The reversal of 7223643 is 3463227.

It is not a de Polignac number, because 7223643 - 2¹ = 7223641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7223641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57268 + ... + 57393.

Almost surely, 2^7223643 is an apocalyptic number.

7223643 is a deficient number, since it is larger than the sum of its proper divisors (4701205).

7223643 is a wasteful number, since it uses less digits than its factorization.

7223643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114674 (or 114671 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 7223643 is about 2687.6835751256. The cubic root of 7223643 is about 193.3090077070.

The spelling of 7223643 in words is "seven million, two hundred twenty-three thousand, six hundred forty-three".