2217022224 has 80 divisors (see below), whose sum is σ = 6178747392. Its totient is φ = 682399744.

The previous prime is 2217022219. The next prime is 2217022229. The reversal of 2217022224 is 4222207122.

It is an interprime number because it is at equal distance from previous prime (2217022219) and next prime (2217022229).

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 = 2217022194 and 2217022203.

It is not an unprimeable number, because it can be changed into a prime (2217022229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17617 + ... + 68879.

Almost surely, 2^2217022224 is an apocalyptic number.

2217022224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2217022224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3089373696).

2217022224 is an abundant number, since it is smaller than the sum of its proper divisors (3961725168).

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

2217022224 is a wasteful number, since it uses less digits than its factorization.

2217022224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51344 (or 51338 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 2217022224 is about 47085.2654659608. The cubic root of 2217022224 is about 1303.9372201826.

Adding to 2217022224 its reverse (4222207122), we get a palindrome (6439229346).

The spelling of 2217022224 in words is "two billion, two hundred seventeen million, twenty-two thousand, two hundred twenty-four".