7323220133 has 4 divisors (see below), whose sum is σ = 7324636620. Its totient is φ = 7321803648.

The previous prime is 7323220111. The next prime is 7323220139. The reversal of 7323220133 is 3310223237.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3961191844 + 3362028289 = 62938^2 + 57983^2 .

It is a cyclic number.

It is not a de Polignac number, because 7323220133 - 2¹⁰ = 7323219109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7323220139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700460 + ... + 710837.

It is an arithmetic number, because the mean of its divisors is an integer number (1831159155).

Almost surely, 2^7323220133 is an apocalyptic number.

It is an amenable number.

7323220133 is a deficient number, since it is larger than the sum of its proper divisors (1416487).

7323220133 is a wasteful number, since it uses less digits than its factorization.

7323220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416486.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 7323220133 is about 85575.8151173566. The cubic root of 7323220133 is about 1941.9320509415.

The spelling of 7323220133 in words is "seven billion, three hundred twenty-three million, two hundred twenty thousand, one hundred thirty-three".