223544542 has 16 divisors (see below), whose sum is σ = 366060240. Its totient is φ = 101760192.

The previous prime is 223544539. The next prime is 223544561. The reversal of 223544542 is 245445322.

223544542 is digitally balanced in base 2, 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 7 ways as a sum of consecutive naturals, for example, 56992 + ... + 60787.

It is an arithmetic number, because the mean of its divisors is an integer number (22878765).

Almost surely, 2^223544542 is an apocalyptic number.

223544542 is a deficient number, since it is larger than the sum of its proper divisors (142515698).

223544542 is a wasteful number, since it uses less digits than its factorization.

223544542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117867.

The product of its digits is 38400, while the sum is 31.

The square root of 223544542 is about 14951.4060208396. The cubic root of 223544542 is about 606.9058964063.

Adding to 223544542 its reverse (245445322), we get a palindrome (468989864).

It can be divided in two parts, 22354 and 4542, that added together give a square (26896 = 164²).

The spelling of 223544542 in words is "two hundred twenty-three million, five hundred forty-four thousand, five hundred forty-two".