42022412 has 12 divisors (see below), whose sum is σ = 74745216. Its totient is φ = 20666640.

The previous prime is 42022399. The next prime is 42022423. The reversal of 42022412 is 21422024.

It is a happy number.

It is a super-2 number, since 2×42022412² = 3531766220595488, which contains 22 as substring.

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, 85868 + ... + 86355.

It is an arithmetic number, because the mean of its divisors is an integer number (6228768).

Almost surely, 2^42022412 is an apocalyptic number.

It is an amenable number.

42022412 is a deficient number, since it is larger than the sum of its proper divisors (32722804).

42022412 is a wasteful number, since it uses less digits than its factorization.

42022412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172288 (or 172286 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 42022412 is about 6482.4695911358. The cubic root of 42022412 is about 347.6644826284.

Adding to 42022412 its reverse (21422024), we get a palindrome (63444436).

The spelling of 42022412 in words is "forty-two million, twenty-two thousand, four hundred twelve".