2272360961 has 4 divisors (see below), whose sum is σ = 2447157972. Its totient is φ = 2097563952.

The previous prime is 2272360943. The next prime is 2272360967. The reversal of 2272360961 is 1690632722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1690632722 = 2 ⋅845316361.

It can be written as a sum of positive squares in 2 ways, for example, as 1009269361 + 1263091600 = 31769^2 + 35540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2272360961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2272360967) 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, 87398486 + ... + 87398511.

It is an arithmetic number, because the mean of its divisors is an integer number (611789493).

Almost surely, 2^2272360961 is an apocalyptic number.

It is an amenable number.

2272360961 is a deficient number, since it is larger than the sum of its proper divisors (174797011).

2272360961 is a wasteful number, since it uses less digits than its factorization.

2272360961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174797010.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 2272360961 is about 47669.2873976526. The cubic root of 2272360961 is about 1314.6973065147.

The spelling of 2272360961 in words is "two billion, two hundred seventy-two million, three hundred sixty thousand, nine hundred sixty-one".