42220196 has 6 divisors (see below), whose sum is σ = 73885350. Its totient is φ = 21110096.

The previous prime is 42220177. The next prime is 42220229. The reversal of 42220196 is 69102224.

It can be written as a sum of positive squares in only one way, i.e., 41088100 + 1132096 = 6410^2 + 1064^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277521 + ... + 5277528.

It is an arithmetic number, because the mean of its divisors is an integer number (12314225).

Almost surely, 2^42220196 is an apocalyptic number.

It is an amenable number.

42220196 is a deficient number, since it is larger than the sum of its proper divisors (31665154).

42220196 is a wasteful number, since it uses less digits than its factorization.

42220196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10555053 (or 10555051 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 42220196 is about 6497.7069801585. The cubic root of 42220196 is about 348.2090719725.

The spelling of 42220196 in words is "forty-two million, two hundred twenty thousand, one hundred ninety-six".