2272321747 has 2 divisors, whose sum is σ = 2272321748. Its totient is φ = 2272321746.

The previous prime is 2272321717. The next prime is 2272321757. The reversal of 2272321747 is 7471232722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2272321747 is a prime.

It is a super-2 number, since 2×2272321747² = 10326892243778264018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2272321717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136160873 + 1136160874.

It is an arithmetic number, because the mean of its divisors is an integer number (1136160874).

Almost surely, 2^2272321747 is an apocalyptic number.

2272321747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272321747 is an equidigital number, since it uses as much as digits as its factorization.

2272321747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 37.

The square root of 2272321747 is about 47668.8760828279. The cubic root of 2272321747 is about 1314.6897439197.

The spelling of 2272321747 in words is "two billion, two hundred seventy-two million, three hundred twenty-one thousand, seven hundred forty-seven".