42223194 has 96 divisors (see below), whose sum is σ = 105303744. Its totient is φ = 12597120.

The previous prime is 42223177. The next prime is 42223201. The reversal of 42223194 is 49132224.

42223194 is a `hidden beast` number, since 422 + 231 + 9 + 4 = 666.

It is a super-2 number, since 2×42223194² = 3565596223123272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 258957 + ... + 259119.

It is an arithmetic number, because the mean of its divisors is an integer number (1096914).

Almost surely, 2^42223194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42223194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52651872).

42223194 is an abundant number, since it is smaller than the sum of its proper divisors (63080550).

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

42223194 is a wasteful number, since it uses less digits than its factorization.

42223194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 222 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 42223194 is about 6497.9376728313. The cubic root of 42223194 is about 348.2173137319.

The spelling of 42223194 in words is "forty-two million, two hundred twenty-three thousand, one hundred ninety-four".