72252225227 has 16 divisors (see below), whose sum is σ = 88954075392. Its totient is φ = 57148428960.

The previous prime is 72252225223. The next prime is 72252225251.

It is a happy number.

72252225227 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72252225227 - 2² = 72252225223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72252225223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165452 + ... + 414582.

It is an arithmetic number, because the mean of its divisors is an integer number (5559629712).

Almost surely, 2^72252225227 is an apocalyptic number.

72252225227 is a deficient number, since it is larger than the sum of its proper divisors (16701850165).

72252225227 is a wasteful number, since it uses less digits than its factorization.

72252225227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252338.

The product of its digits is 156800, while the sum is 38.

The spelling of 72252225227 in words is "seventy-two billion, two hundred fifty-two million, two hundred twenty-five thousand, two hundred twenty-seven".