72222230147 has 4 divisors (see below), whose sum is σ = 72223009656. Its totient is φ = 72221450640.

The previous prime is 72222230123. The next prime is 72222230167. The reversal of 72222230147 is 74103222227.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74103222227 = 479 ⋅154704013.

It is a cyclic number.

It is not a de Polignac number, because 72222230147 - 2¹² = 72222226051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72222230117) 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, 228554 + ... + 443487.

It is an arithmetic number, because the mean of its divisors is an integer number (18055752414).

Almost surely, 2^72222230147 is an apocalyptic number.

72222230147 is a deficient number, since it is larger than the sum of its proper divisors (779509).

72222230147 is a wasteful number, since it uses less digits than its factorization.

72222230147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779508.

The product of its (nonzero) digits is 18816, while the sum is 32.

The spelling of 72222230147 in words is "seventy-two billion, two hundred twenty-two million, two hundred thirty thousand, one hundred forty-seven".