223542132 has 24 divisors (see below), whose sum is σ = 569016672. Its totient is φ = 67740000.

The previous prime is 223542131. The next prime is 223542161. The reversal of 223542132 is 231245322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223542131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846619 + ... + 846882.

It is an arithmetic number, because the mean of its divisors is an integer number (23709028).

Almost surely, 2^223542132 is an apocalyptic number.

223542132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223542132 is an abundant number, since it is smaller than the sum of its proper divisors (345474540).

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

223542132 is a wasteful number, since it uses less digits than its factorization.

223542132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693519 (or 1693517 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 223542132 is about 14951.3254261955. The cubic root of 223542132 is about 606.9037154115.

Adding to 223542132 its reverse (231245322), we get a palindrome (454787454).

The spelling of 223542132 in words is "two hundred twenty-three million, five hundred forty-two thousand, one hundred thirty-two".