2211332345 has 8 divisors (see below), whose sum is σ = 2653854720. Its totient is φ = 1768895280.

The previous prime is 2211332327. The next prime is 2211332353. The reversal of 2211332345 is 5432331122.

It is a happy number.

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

It is not a de Polignac number, because 2211332345 - 2¹⁶ = 2211266809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76526 + ... + 101384.

It is an arithmetic number, because the mean of its divisors is an integer number (331731840).

Almost surely, 2^2211332345 is an apocalyptic number.

It is an amenable number.

2211332345 is a deficient number, since it is larger than the sum of its proper divisors (442522375).

2211332345 is a wasteful number, since it uses less digits than its factorization.

2211332345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42655.

The product of its digits is 4320, while the sum is 26.

The square root of 2211332345 is about 47024.8056348987. The cubic root of 2211332345 is about 1302.8207675170.

Adding to 2211332345 its reverse (5432331122), we get a palindrome (7643663467).

The spelling of 2211332345 in words is "two billion, two hundred eleven million, three hundred thirty-two thousand, three hundred forty-five".