2213156746 has 8 divisors (see below), whose sum is σ = 3494458080. Its totient is φ = 1048337388.

The previous prime is 2213156741. The next prime is 2213156767. The reversal of 2213156746 is 6476513122.

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

It is not an unprimeable number, because it can be changed into a prime (2213156741) 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, 29120446 + ... + 29120521.

It is an arithmetic number, because the mean of its divisors is an integer number (436807260).

Almost surely, 2^2213156746 is an apocalyptic number.

2213156746 is a deficient number, since it is larger than the sum of its proper divisors (1281301334).

2213156746 is a wasteful number, since it uses less digits than its factorization.

2213156746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58240988.

The product of its digits is 60480, while the sum is 37.

The square root of 2213156746 is about 47044.1999187998. The cubic root of 2213156746 is about 1303.1789549176.

Adding to 2213156746 its reverse (6476513122), we get a palindrome (8689669868).

The spelling of 2213156746 in words is "two billion, two hundred thirteen million, one hundred fifty-six thousand, seven hundred forty-six".