42225226 has 8 divisors (see below), whose sum is σ = 64810944. Its totient is φ = 20621580.

The previous prime is 42225173. The next prime is 42225257. The reversal of 42225226 is 62252224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42225226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245410 + ... + 245581.

It is an arithmetic number, because the mean of its divisors is an integer number (8101368).

Almost surely, 2^42225226 is an apocalyptic number.

42225226 is a deficient number, since it is larger than the sum of its proper divisors (22585718).

42225226 is a wasteful number, since it uses less digits than its factorization.

42225226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491036.

The product of its digits is 3840, while the sum is 25.

The square root of 42225226 is about 6498.0940282517. The cubic root of 42225226 is about 348.2228996525. Note that the first 3 decimals are identical.

The spelling of 42225226 in words is "forty-two million, two hundred twenty-five thousand, two hundred twenty-six".