722151211 has 8 divisors (see below), whose sum is σ = 773844624. Its totient is φ = 671481600.

The previous prime is 722151203. The next prime is 722151223. The reversal of 722151211 is 112151227.

722151211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722151211 - 2³ = 722151203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (722151281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254490 + ... + 257311.

It is an arithmetic number, because the mean of its divisors is an integer number (96730578).

Almost surely, 2^722151211 is an apocalyptic number.

722151211 is a deficient number, since it is larger than the sum of its proper divisors (51693413).

722151211 is a wasteful number, since it uses less digits than its factorization.

722151211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511901.

The product of its digits is 280, while the sum is 22.

The square root of 722151211 is about 26872.8712831361. The cubic root of 722151211 is about 897.1726957810.

The spelling of 722151211 in words is "seven hundred twenty-two million, one hundred fifty-one thousand, two hundred eleven".