223232542 has 16 divisors (see below), whose sum is σ = 381819312. Its totient is φ = 96969600.

The previous prime is 223232531. The next prime is 223232561. The reversal of 223232542 is 245232322.

It is a happy number.

It is a super-3 number, since 3×223232542³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252084 + ... + 252967.

It is an arithmetic number, because the mean of its divisors is an integer number (23863707).

Almost surely, 2^223232542 is an apocalyptic number.

223232542 is a deficient number, since it is larger than the sum of its proper divisors (158586770).

223232542 is a wasteful number, since it uses less digits than its factorization.

223232542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505083.

The product of its digits is 5760, while the sum is 25.

The square root of 223232542 is about 14940.9685763675. The cubic root of 223232542 is about 606.6234131032.

Adding to 223232542 its reverse (245232322), we get a palindrome (468464864).

The spelling of 223232542 in words is "two hundred twenty-three million, two hundred thirty-two thousand, five hundred forty-two".