2223124420 has 48 divisors (see below), whose sum is σ = 5098681728. Its totient is φ = 807503360.

The previous prime is 2223124417. The next prime is 2223124429. The reversal of 2223124420 is 244213222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2223124391 and 2223124400.

It is not an unprimeable number, because it can be changed into a prime (2223124429) 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, 209769 + ... + 220111.

It is an arithmetic number, because the mean of its divisors is an integer number (106222536).

Almost surely, 2^2223124420 is an apocalyptic number.

2223124420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223124420 is an abundant number, since it is smaller than the sum of its proper divisors (2875557308).

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

2223124420 is a wasteful number, since it uses less digits than its factorization.

2223124420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340 (or 11338 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2223124420 is about 47150.0203605470. The cubic root of 2223124420 is about 1305.1324557402.

Adding to 2223124420 its reverse (244213222), we get a palindrome (2467337642).

The spelling of 2223124420 in words is "two billion, two hundred twenty-three million, one hundred twenty-four thousand, four hundred twenty".