223042420 has 24 divisors (see below), whose sum is σ = 476330400. Its totient is φ = 87704352.

The previous prime is 223042381. The next prime is 223042433. The reversal of 223042420 is 24240322.

It is a super-2 number, since 2×223042420² = 99495842238912800, which contains 22 as substring.

It is a congruent number.

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, 93330 + ... + 95689.

It is an arithmetic number, because the mean of its divisors is an integer number (19847100).

Almost surely, 2^223042420 is an apocalyptic number.

223042420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223042420 is an abundant number, since it is smaller than the sum of its proper divisors (253287980).

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

223042420 is a wasteful number, since it uses less digits than its factorization.

223042420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189087 (or 189085 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 223042420 is about 14934.6047821829. The cubic root of 223042420 is about 606.4511484728.

Adding to 223042420 its reverse (24240322), we get a palindrome (247282742).

The spelling of 223042420 in words is "two hundred twenty-three million, forty-two thousand, four hundred twenty".