2213137765 has 8 divisors (see below), whose sum is σ = 2795542560. Its totient is φ = 1677325392.

The previous prime is 2213137757. The next prime is 2213137789. The reversal of 2213137765 is 5677313122.

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

It is a cyclic number.

It is not a de Polignac number, because 2213137765 - 2³ = 2213137757 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 11647999 + ... + 11648188.

It is an arithmetic number, because the mean of its divisors is an integer number (349442820).

Almost surely, 2^2213137765 is an apocalyptic number.

It is an amenable number.

2213137765 is a deficient number, since it is larger than the sum of its proper divisors (582404795).

2213137765 is a wasteful number, since it uses less digits than its factorization.

2213137765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23296211.

The product of its digits is 52920, while the sum is 37.

The square root of 2213137765 is about 47043.9981825525. The cubic root of 2213137765 is about 1303.1752293628.

The spelling of 2213137765 in words is "two billion, two hundred thirteen million, one hundred thirty-seven thousand, seven hundred sixty-five".