223424542 has 16 divisors (see below), whose sum is σ = 367524864. Its totient is φ = 101023000.

The previous prime is 223424503. The next prime is 223424543. The reversal of 223424542 is 245424322.

It is a self number, because there is not a number n which added to its sum of digits gives 223424542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223424543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22384 + ... + 30787.

It is an arithmetic number, because the mean of its divisors is an integer number (22970304).

Almost surely, 2^223424542 is an apocalyptic number.

223424542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

223424542 is a deficient number, since it is larger than the sum of its proper divisors (144100322).

223424542 is a wasteful number, since it uses less digits than its factorization.

223424542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53375.

The product of its digits is 15360, while the sum is 28.

The square root of 223424542 is about 14947.3924816337. The cubic root of 223424542 is about 606.7972801063.

Adding to 223424542 its reverse (245424322), we get a palindrome (468848864).

The spelling of 223424542 in words is "two hundred twenty-three million, four hundred twenty-four thousand, five hundred forty-two".