72226627201 has 4 divisors (see below), whose sum is σ = 72228082500. Its totient is φ = 72225171904.

The previous prime is 72226627199. The next prime is 72226627229. The reversal of 72226627201 is 10272662227.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50423151601 + 21803475600 = 224551^2 + 147660^2 .

It is a cyclic number.

It is not a de Polignac number, because 72226627201 - 2¹ = 72226627199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72226627001) 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, 650476 + ... + 753373.

It is an arithmetic number, because the mean of its divisors is an integer number (18057020625).

Almost surely, 2^72226627201 is an apocalyptic number.

It is an amenable number.

72226627201 is a deficient number, since it is larger than the sum of its proper divisors (1455299).

72226627201 is a wasteful number, since it uses less digits than its factorization.

72226627201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455298.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 72226627201 in words is "seventy-two billion, two hundred twenty-six million, six hundred twenty-seven thousand, two hundred one".