224007142 has 4 divisors (see below), whose sum is σ = 336010716. Its totient is φ = 112003570.

The previous prime is 224007109. The next prime is 224007163. The reversal of 224007142 is 241700422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56001784 + ... + 56001787.

It is an arithmetic number, because the mean of its divisors is an integer number (84002679).

Almost surely, 2^224007142 is an apocalyptic number.

224007142 is a deficient number, since it is larger than the sum of its proper divisors (112003574).

224007142 is a wasteful number, since it uses less digits than its factorization.

224007142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112003573.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 224007142 is about 14966.8681426677. The cubic root of 224007142 is about 607.3242488656.

Adding to 224007142 its reverse (241700422), we get a palindrome (465707564).

The spelling of 224007142 in words is "two hundred twenty-four million, seven thousand, one hundred forty-two".