42224292 has 36 divisors (see below), whose sum is σ = 116437776. Its totient is φ = 12795120.

The previous prime is 42224291. The next prime is 42224309. The reversal of 42224292 is 29242224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42224291) 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, 52918 + ... + 53709.

Almost surely, 2^42224292 is an apocalyptic number.

It is an amenable number.

42224292 is an abundant number, since it is smaller than the sum of its proper divisors (74213484).

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

42224292 is a wasteful number, since it uses less digits than its factorization.

42224292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106648 (or 106643 counting only the distinct ones).

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

The square root of 42224292 is about 6498.0221606270. The cubic root of 42224292 is about 348.2203321306.

The spelling of 42224292 in words is "forty-two million, two hundred twenty-four thousand, two hundred ninety-two".