2213445550 has 12 divisors (see below), whose sum is σ = 4117008816. Its totient is φ = 885378200.

The previous prime is 2213445547. The next prime is 2213445551. The reversal of 2213445550 is 555443122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213445551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22134406 + ... + 22134505.

It is an arithmetic number, because the mean of its divisors is an integer number (343084068).

Almost surely, 2^2213445550 is an apocalyptic number.

2213445550 is a deficient number, since it is larger than the sum of its proper divisors (1903563266).

2213445550 is a wasteful number, since it uses less digits than its factorization.

2213445550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44268923 (or 44268918 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2213445550 is about 47047.2693150198. The cubic root of 2213445550 is about 1303.2356381938.

Adding to 2213445550 its reverse (555443122), we get a palindrome (2768888672).

The spelling of 2213445550 in words is "two billion, two hundred thirteen million, four hundred forty-five thousand, five hundred fifty".