42224764 has 12 divisors (see below), whose sum is σ = 77782600. Its totient is φ = 20001168.

The previous prime is 42224761. The next prime is 42224771. The reversal of 42224764 is 46742224.

It is a super-3 number, since 3×42224764³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277719 + ... + 277870.

Almost surely, 2^42224764 is an apocalyptic number.

It is an amenable number.

42224764 is a deficient number, since it is larger than the sum of its proper divisors (35557836).

42224764 is a wasteful number, since it uses less digits than its factorization.

42224764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555612 (or 555610 counting only the distinct ones).

The product of its digits is 21504, while the sum is 31.

The square root of 42224764 is about 6498.0584792690. The cubic root of 42224764 is about 348.2216296410.

Adding to 42224764 its reverse (46742224), we get a palindrome (88966988).

The spelling of 42224764 in words is "forty-two million, two hundred twenty-four thousand, seven hundred sixty-four".