42224446 has 8 divisors (see below), whose sum is σ = 69094584. Its totient is φ = 19192920.

The previous prime is 42224423. The next prime is 42224453. The reversal of 42224446 is 64442224.

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

It is a congruent number.

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, 959625 + ... + 959668.

It is an arithmetic number, because the mean of its divisors is an integer number (8636823).

Almost surely, 2^42224446 is an apocalyptic number.

42224446 is a deficient number, since it is larger than the sum of its proper divisors (26870138).

42224446 is a wasteful number, since it uses less digits than its factorization.

42224446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919306.

The product of its digits is 12288, while the sum is 28.

The square root of 42224446 is about 6498.0340103758. The cubic root of 42224446 is about 348.2207554719.

It can be divided in two parts, 4222 and 4446, that added together give a palindrome (8668).

The spelling of 42224446 in words is "forty-two million, two hundred twenty-four thousand, four hundred forty-six".