2223223420 has 48 divisors (see below), whose sum is σ = 5096433888. Its totient is φ = 807932160.

The previous prime is 2223223411. The next prime is 2223223439. The reversal of 2223223420 is 243223222.

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 = 2223223391 and 2223223400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613534 + ... + 617146.

It is an arithmetic number, because the mean of its divisors is an integer number (106175706).

Almost surely, 2^2223223420 is an apocalyptic number.

2223223420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223223420 is an abundant number, since it is smaller than the sum of its proper divisors (2873210468).

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

2223223420 is a wasteful number, since it uses less digits than its factorization.

2223223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430 (or 6428 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2223223420 is about 47151.0701893393. The cubic root of 2223223420 is about 1305.1518288042.

Adding to 2223223420 its reverse (243223222), we get a palindrome (2466446642).

The spelling of 2223223420 in words is "two billion, two hundred twenty-three million, two hundred twenty-three thousand, four hundred twenty".