2213105145 has 32 divisors (see below), whose sum is σ = 3598193664. Its totient is φ = 1161316800.

The previous prime is 2213105137. The next prime is 2213105171. The reversal of 2213105145 is 5415013122.

It is a happy number.

It is not a de Polignac number, because 2213105145 - 2³ = 2213105137 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 597750 + ... + 601440.

It is an arithmetic number, because the mean of its divisors is an integer number (112443552).

Almost surely, 2^2213105145 is an apocalyptic number.

It is an amenable number.

2213105145 is a deficient number, since it is larger than the sum of its proper divisors (1385088519).

2213105145 is a wasteful number, since it uses less digits than its factorization.

2213105145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2213105145 is about 47043.6514845521. The cubic root of 2213105145 is about 1303.1688267210.

Adding to 2213105145 its reverse (5415013122), we get a palindrome (7628118267).

The spelling of 2213105145 in words is "two billion, two hundred thirteen million, one hundred five thousand, one hundred forty-five".