223420532 has 12 divisors (see below), whose sum is σ = 395935680. Its totient is φ = 110296056.

The previous prime is 223420523. The next prime is 223420537. The reversal of 223420532 is 235024322.

It is a junction number, because it is equal to n+sod(n) for n = 223420498 and 223420507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223420537) by changing a digit.

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, 353198 + ... + 353829.

It is an arithmetic number, because the mean of its divisors is an integer number (32994640).

Almost surely, 2^223420532 is an apocalyptic number.

It is an amenable number.

223420532 is a deficient number, since it is larger than the sum of its proper divisors (172515148).

223420532 is a wasteful number, since it uses less digits than its factorization.

223420532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707110 (or 707108 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 223420532 is about 14947.2583439238. The cubic root of 223420532 is about 606.7936498402.

Adding to 223420532 its reverse (235024322), we get a palindrome (458444854).

The spelling of 223420532 in words is "two hundred twenty-three million, four hundred twenty thousand, five hundred thirty-two".