2122420224 has 104 divisors (see below), whose sum is σ = 5730030432. Its totient is φ = 698613760.

The previous prime is 2122420217. The next prime is 2122420277. The reversal of 2122420224 is 4220242212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122420224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018864 + ... + 1020944.

Almost surely, 2^2122420224 is an apocalyptic number.

2122420224 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 2122420224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2865015216).

2122420224 is an abundant number, since it is smaller than the sum of its proper divisors (3607610208).

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

2122420224 is an equidigital number, since it uses as much as digits as its factorization.

2122420224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2122420224 is about 46069.7321893670. The cubic root of 2122420224 is about 1285.1203234339.

Adding to 2122420224 its reverse (4220242212), we get a palindrome (6342662436).

The spelling of 2122420224 in words is "two billion, one hundred twenty-two million, four hundred twenty thousand, two hundred twenty-four".