42022424 has 8 divisors (see below), whose sum is σ = 78792060. Its totient is φ = 21011208.

The previous prime is 42022423. The next prime is 42022427. The reversal of 42022424 is 42422024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42022396 and 42022405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42022423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626394 + ... + 2626409.

Almost surely, 2^42022424 is an apocalyptic number.

It is an amenable number.

42022424 is a deficient number, since it is larger than the sum of its proper divisors (36769636).

42022424 is a wasteful number, since it uses less digits than its factorization.

42022424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252809 (or 5252805 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 42022424 is about 6482.4705167089. The cubic root of 42022424 is about 347.6645157217.

Adding to 42022424 its reverse (42422024), we get a palindrome (84444448).

The spelling of 42022424 in words is "forty-two million, twenty-two thousand, four hundred twenty-four".