2272461657 has 4 divisors (see below), whose sum is σ = 3029948880. Its totient is φ = 1514974436.

The previous prime is 2272461649. The next prime is 2272461679. The reversal of 2272461657 is 7561642722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2272461657 - 2³ = 2272461649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2272461637) 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, 378743607 + ... + 378743612.

It is an arithmetic number, because the mean of its divisors is an integer number (757487220).

Almost surely, 2^2272461657 is an apocalyptic number.

It is an amenable number.

2272461657 is a deficient number, since it is larger than the sum of its proper divisors (757487223).

2272461657 is an equidigital number, since it uses as much as digits as its factorization.

2272461657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757487222.

The product of its digits is 282240, while the sum is 42.

The square root of 2272461657 is about 47670.3435796303. The cubic root of 2272461657 is about 1314.7167257893.

The spelling of 2272461657 in words is "two billion, two hundred seventy-two million, four hundred sixty-one thousand, six hundred fifty-seven".