2213013905 has 4 divisors (see below), whose sum is σ = 2655616692. Its totient is φ = 1770411120.

The previous prime is 2213013899. The next prime is 2213013967. The reversal of 2213013905 is 5093103122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5093103122 = 2 ⋅2546551561.

It can be written as a sum of positive squares in 2 ways, for example, as 558802321 + 1654211584 = 23639^2 + 40672^2 .

It is not a de Polignac number, because 2213013905 - 2⁴ = 2213013889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221301386 + ... + 221301395.

It is an arithmetic number, because the mean of its divisors is an integer number (663904173).

Almost surely, 2^2213013905 is an apocalyptic number.

It is an amenable number.

2213013905 is a deficient number, since it is larger than the sum of its proper divisors (442602787).

2213013905 is an equidigital number, since it uses as much as digits as its factorization.

2213013905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442602786.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2213013905 is about 47042.6817369078. The cubic root of 2213013905 is about 1303.1509178328.

The spelling of 2213013905 in words is "two billion, two hundred thirteen million, thirteen thousand, nine hundred five".