2213251224 has 32 divisors (see below), whose sum is σ = 5534291520. Its totient is φ = 737595296.

The previous prime is 2213251223. The next prime is 2213251241. The reversal of 2213251224 is 4221523122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2213251194 and 2213251203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213251223) 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, 195199 + ... + 206225.

It is an arithmetic number, because the mean of its divisors is an integer number (172946610).

Almost surely, 2^2213251224 is an apocalyptic number.

2213251224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2213251224 is an abundant number, since it is smaller than the sum of its proper divisors (3321040296).

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

2213251224 is a wasteful number, since it uses less digits than its factorization.

2213251224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19399 (or 19395 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 2213251224 is about 47045.2040488720. The cubic root of 2213251224 is about 1303.1974985641.

Adding to 2213251224 its reverse (4221523122), we get a palindrome (6434774346).

The spelling of 2213251224 in words is "two billion, two hundred thirteen million, two hundred fifty-one thousand, two hundred twenty-four".