2272985801 has 2 divisors, whose sum is σ = 2272985802. Its totient is φ = 2272985800.

The previous prime is 2272985777. The next prime is 2272985831. The reversal of 2272985801 is 1085892722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2068066576 + 204919225 = 45476^2 + 14315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272985801 - 2¹⁴ = 2272969417 is a prime.

It is a super-2 number, since 2×2272985801² = 10332928903095223202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2272985831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136492900 + 1136492901.

It is an arithmetic number, because the mean of its divisors is an integer number (1136492901).

Almost surely, 2^2272985801 is an apocalyptic number.

It is an amenable number.

2272985801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272985801 is an equidigital number, since it uses as much as digits as its factorization.

2272985801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 2272985801 is about 47675.8408525744. The cubic root of 2272985801 is about 1314.8177979618.

The spelling of 2272985801 in words is "two billion, two hundred seventy-two million, nine hundred eighty-five thousand, eight hundred one".