7172622213 has 4 divisors (see below), whose sum is σ = 9563496288. Its totient is φ = 4781748140.

The previous prime is 7172622209. The next prime is 7172622217. The reversal of 7172622213 is 3122262717.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (7172622209) and next prime (7172622217).

It is a cyclic number.

It is not a de Polignac number, because 7172622213 - 2² = 7172622209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7172622217) 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, 1195437033 + ... + 1195437038.

It is an arithmetic number, because the mean of its divisors is an integer number (2390874072).

Almost surely, 2^7172622213 is an apocalyptic number.

It is an amenable number.

7172622213 is a deficient number, since it is larger than the sum of its proper divisors (2390874075).

7172622213 is a wasteful number, since it uses less digits than its factorization.

7172622213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390874074.

The product of its digits is 14112, while the sum is 33.

The square root of 7172622213 is about 84691.3349345729. The cubic root of 7172622213 is about 1928.5281639152.

It can be divided in two parts, 71726 and 22213, that added together give a palindrome (93939).

The spelling of 7172622213 in words is "seven billion, one hundred seventy-two million, six hundred twenty-two thousand, two hundred thirteen".