7223640064 has 63 divisors (see below), whose sum is σ = 14623433923. Its totient is φ = 3568304128.

The previous prime is 7223640059. The next prime is 7223640113. The reversal of 7223640064 is 4600463227.

The square root of 7223640064 is 84992.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 87031767 + ... + 87031849.

Almost surely, 2^7223640064 is an apocalyptic number.

7223640064 is the 84992-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7223640064

7223640064 is an abundant number, since it is smaller than the sum of its proper divisors (7399793859).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7223640064 is an frugal number, since it uses more digits than its factorization.

7223640064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The cubic root of 7223640064 is about 1933.0898151732.

The spelling of 7223640064 in words is "seven billion, two hundred twenty-three million, six hundred forty thousand, sixty-four".