2213623734 has 16 divisors (see below), whose sum is σ = 5059711488. Its totient is φ = 632463912.

The previous prime is 2213623733. The next prime is 2213623739. The reversal of 2213623734 is 4373263122.

It is a junction number, because it is equal to n+sod(n) for n = 2213623695 and 2213623704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213623733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26352622 + ... + 26352705.

It is an arithmetic number, because the mean of its divisors is an integer number (316231968).

Almost surely, 2^2213623734 is an apocalyptic number.

2213623734 is an abundant number, since it is smaller than the sum of its proper divisors (2846087754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213623734 is a wasteful number, since it uses less digits than its factorization.

2213623734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52705339.

The product of its digits is 36288, while the sum is 33.

The square root of 2213623734 is about 47049.1629468580. The cubic root of 2213623734 is about 1303.2706077322.

Adding to 2213623734 its reverse (4373263122), we get a palindrome (6586886856).

The spelling of 2213623734 in words is "two billion, two hundred thirteen million, six hundred twenty-three thousand, seven hundred thirty-four".