2272372772447 has 8 divisors (see below), whose sum is σ = 2327925578880. Its totient is φ = 2216943008280.

The previous prime is 2272372772399. The next prime is 2272372772459. The reversal of 2272372772447 is 7442772732722.

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 2272372772447 - 2⁴⁰ = 1172861144671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2272372772392 and 2272372772401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272372772497) 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, 30723179 + ... + 30797052.

It is an arithmetic number, because the mean of its divisors is an integer number (290990697360).

Almost surely, 2^{2272372772447} is an apocalyptic number.

2272372772447 is a deficient number, since it is larger than the sum of its proper divisors (55552806433).

2272372772447 is an equidigital number, since it uses as much as digits as its factorization.

2272372772447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61521133.

The product of its digits is 25815552, while the sum is 56.

The spelling of 2272372772447 in words is "two trillion, two hundred seventy-two billion, three hundred seventy-two million, seven hundred seventy-two thousand, four hundred forty-seven".