224138542 has 8 divisors (see below), whose sum is σ = 350825616. Its totient is φ = 107196672.

The previous prime is 224138531. The next prime is 224138567. The reversal of 224138542 is 245831422.

224138542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436243 + ... + 2436334.

It is an arithmetic number, because the mean of its divisors is an integer number (43853202).

Almost surely, 2^224138542 is an apocalyptic number.

224138542 is a deficient number, since it is larger than the sum of its proper divisors (126687074).

224138542 is a wasteful number, since it uses less digits than its factorization.

224138542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872602.

The product of its digits is 15360, while the sum is 31.

The square root of 224138542 is about 14971.2571950388. The cubic root of 224138542 is about 607.4429754487.

Adding to 224138542 its reverse (245831422), we get a palindrome (469969964).

The spelling of 224138542 in words is "two hundred twenty-four million, one hundred thirty-eight thousand, five hundred forty-two".