72225522552227 has 16 divisors (see below), whose sum is σ = 83772439195104. Its totient is φ = 61540818432000.

The previous prime is 72225522552221. The next prime is 72225522552277.

It is a happy number.

72225522552227 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 72225522552227 - 2⁶ = 72225522552163 is a prime.

It is a super-2 number, since 2×72225522552227² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72225522552221) 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, 801267674 + ... + 801357807.

It is an arithmetic number, because the mean of its divisors is an integer number (5235777449694).

Almost surely, 2^{72225522552227} is an apocalyptic number.

72225522552227 is a deficient number, since it is larger than the sum of its proper divisors (11546916642877).

72225522552227 is a wasteful number, since it uses less digits than its factorization.

72225522552227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602625750.

The product of its digits is 7840000, while the sum is 50.

It can be divided in two parts, 7222552 and 2552227, that added together give a palindrome (9774779).

The spelling of 72225522552227 in words is "seventy-two trillion, two hundred twenty-five billion, five hundred twenty-two million, five hundred fifty-two thousand, two hundred twenty-seven".