42923228 has 24 divisors (see below), whose sum is σ = 77945280. Its totient is φ = 20666880.

The previous prime is 42923207. The next prime is 42923281. The reversal of 42923228 is 82232924.

It is a junction number, because it is equal to n+sod(n) for n = 42923194 and 42923203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11300 + ... + 14612.

It is an arithmetic number, because the mean of its divisors is an integer number (3247720).

Almost surely, 2^42923228 is an apocalyptic number.

It is an amenable number.

42923228 is a deficient number, since it is larger than the sum of its proper divisors (35022052).

42923228 is a wasteful number, since it uses less digits than its factorization.

42923228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437 (or 3435 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 42923228 is about 6551.5820990048. The cubic root of 42923228 is about 350.1311834780.

The spelling of 42923228 in words is "forty-two million, nine hundred twenty-three thousand, two hundred twenty-eight".