24222042142 has 4 divisors (see below), whose sum is σ = 36333063216. Its totient is φ = 12111021070.

The previous prime is 24222042121. The next prime is 24222042149. The reversal of 24222042142 is 24124022242.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24222042149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055510534 + ... + 6055510537.

It is an arithmetic number, because the mean of its divisors is an integer number (9083265804).

Almost surely, 2^24222042142 is an apocalyptic number.

24222042142 is a deficient number, since it is larger than the sum of its proper divisors (12111021074).

24222042142 is a wasteful number, since it uses less digits than its factorization.

24222042142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111021073.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 24222042142 its reverse (24124022242), we get a palindrome (48346064384).

The spelling of 24222042142 in words is "twenty-four billion, two hundred twenty-two million, forty-two thousand, one hundred forty-two".