42450022 has 8 divisors (see below), whose sum is σ = 64719072. Its totient is φ = 20877000.

The previous prime is 42450017. The next prime is 42450049. The reversal of 42450022 is 22005424.

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, 173854 + ... + 174097.

It is an arithmetic number, because the mean of its divisors is an integer number (8089884).

Almost surely, 2^42450022 is an apocalyptic number.

42450022 is a deficient number, since it is larger than the sum of its proper divisors (22269050).

42450022 is a wasteful number, since it uses less digits than its factorization.

42450022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348014.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 42450022 is about 6515.3681400209. The cubic root of 42450022 is about 348.8397553356.

Adding to 42450022 its reverse (22005424), we get a palindrome (64455446).

The spelling of 42450022 in words is "forty-two million, four hundred fifty thousand, twenty-two".