42223412 has 24 divisors (see below), whose sum is σ = 92124480. Its totient is φ = 16450560.

The previous prime is 42223397. The next prime is 42223417. The reversal of 42223412 is 21432224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223417) 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, 68237 + ... + 68852.

It is an arithmetic number, because the mean of its divisors is an integer number (3838520).

Almost surely, 2^42223412 is an apocalyptic number.

It is an amenable number.

42223412 is an abundant number, since it is smaller than the sum of its proper divisors (49901068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42223412 is a wasteful number, since it uses less digits than its factorization.

42223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137111 (or 137109 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 42223412 is about 6497.9544473626. The cubic root of 42223412 is about 348.2179130174.

Adding to 42223412 its reverse (21432224), we get a palindrome (63655636).

The spelling of 42223412 in words is "forty-two million, two hundred twenty-three thousand, four hundred twelve".