7213622833 has 4 divisors (see below), whose sum is σ = 7235028580. Its totient is φ = 7192217088.

The previous prime is 7213622831. The next prime is 7213622849. The reversal of 7213622833 is 3382263127.

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 5140459809 + 2073163024 = 71697^2 + 45532^2 .

It is a cyclic number.

It is not a de Polignac number, because 7213622833 - 2¹ = 7213622831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7213622792 and 7213622801.

It is not an unprimeable number, because it can be changed into a prime (7213622831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10702368 + ... + 10703041.

It is an arithmetic number, because the mean of its divisors is an integer number (1808757145).

Almost surely, 2^7213622833 is an apocalyptic number.

It is an amenable number.

7213622833 is a deficient number, since it is larger than the sum of its proper divisors (21405747).

7213622833 is a wasteful number, since it uses less digits than its factorization.

7213622833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21405746.

The product of its digits is 72576, while the sum is 37.

The square root of 7213622833 is about 84933.0491210577. The cubic root of 7213622833 is about 1932.1958445932.

The spelling of 7213622833 in words is "seven billion, two hundred thirteen million, six hundred twenty-two thousand, eight hundred thirty-three".