42224093 has 8 divisors (see below), whose sum is σ = 43421400. Its totient is φ = 41041728.

The previous prime is 42224069. The next prime is 42224101. The reversal of 42224093 is 39042224.

It can be written as a sum of positive squares in 4 ways, for example, as 12652249 + 29571844 = 3557^2 + 5438^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42224093 - 2¹⁸ = 41961949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123 + ... + 9431.

It is an arithmetic number, because the mean of its divisors is an integer number (5427675).

Almost surely, 2^42224093 is an apocalyptic number.

It is an amenable number.

42224093 is a deficient number, since it is larger than the sum of its proper divisors (1197307).

42224093 is a wasteful number, since it uses less digits than its factorization.

42224093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7471.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42224093 is about 6498.0068482574. The cubic root of 42224093 is about 348.2197850841.

The spelling of 42224093 in words is "forty-two million, two hundred twenty-four thousand, ninety-three".