42225441 has 16 divisors (see below), whose sum is σ = 59473920. Its totient is φ = 26606160.

The previous prime is 42225413. The next prime is 42225457. The reversal of 42225441 is 14452224.

It is a happy number.

It is not a de Polignac number, because 42225441 - 2²¹ = 40128289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42225461) 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, 1281 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (3717120).

Almost surely, 2^42225441 is an apocalyptic number.

It is an amenable number.

42225441 is a deficient number, since it is larger than the sum of its proper divisors (17248479).

42225441 is a wasteful number, since it uses less digits than its factorization.

42225441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10636.

The product of its digits is 2560, while the sum is 24.

The square root of 42225441 is about 6498.1105715431. The cubic root of 42225441 is about 348.2234906720.

Adding to 42225441 its reverse (14452224), we get a palindrome (56677665).

The spelling of 42225441 in words is "forty-two million, two hundred twenty-five thousand, four hundred forty-one".