42221196 has 48 divisors (see below), whose sum is σ = 109900000. Its totient is φ = 14017536.

The previous prime is 42221147. The next prime is 42221197. The reversal of 42221196 is 69112224.

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

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 (42221197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33180 + ... + 34428.

Almost surely, 2^42221196 is an apocalyptic number.

It is an amenable number.

42221196 is an abundant number, since it is smaller than the sum of its proper divisors (67678804).

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

42221196 is a wasteful number, since it uses less digits than its factorization.

42221196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575 (or 1567 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 42221196 is about 6497.7839299256. The cubic root of 42221196 is about 348.2118211017.

The spelling of 42221196 in words is "forty-two million, two hundred twenty-one thousand, one hundred ninety-six".