42422226 has 32 divisors (see below), whose sum is σ = 105781248. Its totient is φ = 11018640.

The previous prime is 42422203. The next prime is 42422227. The reversal of 42422226 is 62222424.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42422196 and 42422205.

It is not an unprimeable number, because it can be changed into a prime (42422227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45450 + ... + 46373.

It is an arithmetic number, because the mean of its divisors is an integer number (3305664).

Almost surely, 2^42422226 is an apocalyptic number.

42422226 is an abundant number, since it is smaller than the sum of its proper divisors (63359022).

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

42422226 is a wasteful number, since it uses less digits than its factorization.

42422226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91846.

The product of its digits is 3072, while the sum is 24.

The square root of 42422226 is about 6513.2346802491. The cubic root of 42422226 is about 348.7635993721.

The spelling of 42422226 in words is "forty-two million, four hundred twenty-two thousand, two hundred twenty-six".