2223131420 has 12 divisors (see below), whose sum is σ = 4668576024. Its totient is φ = 889252560.

The previous prime is 2223131413. The next prime is 2223131431. The reversal of 2223131420 is 241313222.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 111156571 = 2223131420 / (2 + 2 + 2 + 3 + 1 + 3 + 1 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2223131392 and 2223131401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55578266 + ... + 55578305.

It is an arithmetic number, because the mean of its divisors is an integer number (389048002).

Almost surely, 2^2223131420 is an apocalyptic number.

2223131420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223131420 is an abundant number, since it is smaller than the sum of its proper divisors (2445444604).

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

2223131420 is a wasteful number, since it uses less digits than its factorization.

2223131420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111156580 (or 111156578 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2223131420 is about 47150.0945916336. The cubic root of 2223131420 is about 1305.1338255717.

Adding to 2223131420 its reverse (241313222), we get a palindrome (2464444642).

The spelling of 2223131420 in words is "two billion, two hundred twenty-three million, one hundred thirty-one thousand, four hundred twenty".