2217230481 has 4 divisors (see below), whose sum is σ = 2956307312. Its totient is φ = 1478153652.

The previous prime is 2217230473. The next prime is 2217230507. The reversal of 2217230481 is 1840327122.

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 not a de Polignac number, because 2217230481 - 2³ = 2217230473 is a prime.

It is a super-2 number, since 2×2217230481² = 9832222011750982722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2217230401) 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, 369538411 + ... + 369538416.

It is an arithmetic number, because the mean of its divisors is an integer number (739076828).

Almost surely, 2^2217230481 is an apocalyptic number.

It is an amenable number.

2217230481 is a deficient number, since it is larger than the sum of its proper divisors (739076831).

2217230481 is an equidigital number, since it uses as much as digits as its factorization.

2217230481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739076830.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2217230481 is about 47087.4769020384. The cubic root of 2217230481 is about 1303.9780475513.

The spelling of 2217230481 in words is "two billion, two hundred seventeen million, two hundred thirty thousand, four hundred eighty-one".