2271445898 has 8 divisors (see below), whose sum is σ = 3463024260. Its totient is φ = 1117104480.

The previous prime is 2271445867. The next prime is 2271445921. The reversal of 2271445898 is 8985441722.

It can be written as a sum of positive squares in 2 ways, for example, as 1826109289 + 445336609 = 42733^2 + 21103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9309083 + ... + 9309326.

Almost surely, 2^2271445898 is an apocalyptic number.

2271445898 is a deficient number, since it is larger than the sum of its proper divisors (1191578362).

2271445898 is a wasteful number, since it uses less digits than its factorization.

2271445898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18618472.

The product of its digits is 1290240, while the sum is 50.

The square root of 2271445898 is about 47659.6883959600. The cubic root of 2271445898 is about 1314.5208098515.

The spelling of 2271445898 in words is "two billion, two hundred seventy-one million, four hundred forty-five thousand, eight hundred ninety-eight".