42929224 has 64 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 18670080.

The previous prime is 42929221. The next prime is 42929273. The reversal of 42929224 is 42292924.

It is a self number, because there is not a number n which added to its sum of digits gives 42929224.

It is not an unprimeable number, because it can be changed into a prime (42929221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313284 + ... + 313420.

It is an arithmetic number, because the mean of its divisors is an integer number (1434510).

Almost surely, 2^42929224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42929224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45904320).

42929224 is an abundant number, since it is smaller than the sum of its proper divisors (48879416).

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

42929224 is a wasteful number, since it uses less digits than its factorization.

42929224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 306 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 42929224 is about 6552.0396824195. The cubic root of 42929224 is about 350.1474861416.

The spelling of 42929224 in words is "forty-two million, nine hundred twenty-nine thousand, two hundred twenty-four".