7220072206 has 4 divisors (see below), whose sum is σ = 10830108312. Its totient is φ = 3610036102.

The previous prime is 7220072183. The next prime is 7220072207. The reversal of 7220072206 is 6022700227.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220072207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805018050 + ... + 1805018053.

It is an arithmetic number, because the mean of its divisors is an integer number (2707527078).

Almost surely, 2^7220072206 is an apocalyptic number.

7220072206 is a deficient number, since it is larger than the sum of its proper divisors (3610036106).

7220072206 is a wasteful number, since it uses less digits than its factorization.

7220072206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610036105.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 7220072206 is about 84971.0080321518. The cubic root of 7220072206 is about 1932.7715026272.

The spelling of 7220072206 in words is "seven billion, two hundred twenty million, seventy-two thousand, two hundred six".