42200226 has 12 divisors (see below), whose sum is σ = 91433862. Its totient is φ = 14066736.

The previous prime is 42200203. The next prime is 42200237. The reversal of 42200226 is 62200224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 5294601 = 6075^2 + 2301^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2344457 = 42200226 / (4 + 2 + 2 + 0 + 0 + 2 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 42200199 and 42200208.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1172211 + ... + 1172246.

Almost surely, 2^42200226 is an apocalyptic number.

42200226 is an abundant number, since it is smaller than the sum of its proper divisors (49233636).

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

42200226 is a wasteful number, since it uses less digits than its factorization.

42200226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344465 (or 2344462 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42200226 is about 6496.1701024527. The cubic root of 42200226 is about 348.1541627705.

The spelling of 42200226 in words is "forty-two million, two hundred thousand, two hundred twenty-six".