42224049 has 12 divisors (see below), whose sum is σ = 69703296. Its totient is φ = 24127992.

The previous prime is 42224047. The next prime is 42224057. The reversal of 42224049 is 94042224.

It is not a de Polignac number, because 42224049 - 2¹ = 42224047 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42224041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335049 + ... + 335174.

It is an arithmetic number, because the mean of its divisors is an integer number (5808608).

Almost surely, 2^42224049 is an apocalyptic number.

It is an amenable number.

42224049 is a deficient number, since it is larger than the sum of its proper divisors (27479247).

42224049 is a wasteful number, since it uses less digits than its factorization.

42224049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670236 (or 670233 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42224049 is about 6498.0034626030. The cubic root of 42224049 is about 348.2196641288.

The spelling of 42224049 in words is "forty-two million, two hundred twenty-four thousand, forty-nine".