42223121534 has 8 divisors (see below), whose sum is σ = 69092380728. Its totient is φ = 19192327960.

The previous prime is 42223121531. The next prime is 42223121543. The reversal of 42223121534 is 43512132224.

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

It is a junction number, because it is equal to n+sod(n) for n = 42223121497 and 42223121506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223121531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959616377 + ... + 959616420.

It is an arithmetic number, because the mean of its divisors is an integer number (8636547591).

Almost surely, 2^42223121534 is an apocalyptic number.

42223121534 is a deficient number, since it is larger than the sum of its proper divisors (26869259194).

42223121534 is a wasteful number, since it uses less digits than its factorization.

42223121534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919232810.

The product of its digits is 11520, while the sum is 29.

Adding to 42223121534 its reverse (43512132224), we get a palindrome (85735253758).

The spelling of 42223121534 in words is "forty-two billion, two hundred twenty-three million, one hundred twenty-one thousand, five hundred thirty-four".