223902420 has 96 divisors (see below), whose sum is σ = 719566848. Its totient is φ = 50957952.

The previous prime is 223902379. The next prime is 223902431. The reversal of 223902420 is 24209322.

223902420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109447 + ... + 111473.

It is an arithmetic number, because the mean of its divisors is an integer number (7495488).

Almost surely, 2^223902420 is an apocalyptic number.

223902420 is a gapful number since it is divisible by the number (20) 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 223902420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359783424).

223902420 is an abundant number, since it is smaller than the sum of its proper divisors (495664428).

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

223902420 is a wasteful number, since it uses less digits than its factorization.

223902420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 223902420 is about 14963.3692729946. The cubic root of 223902420 is about 607.2295939617.

The spelling of 223902420 in words is "two hundred twenty-three million, nine hundred two thousand, four hundred twenty".