42022450 has 48 divisors (see below), whose sum is σ = 82171080. Its totient is φ = 15966720.

The previous prime is 42022439. The next prime is 42022451. The reversal of 42022450 is 5422024.

It can be written as a sum of positive squares in 12 ways, for example, as 5890329 + 36132121 = 2427^2 + 6011^2 .

It is not an unprimeable number, because it can be changed into a prime (42022451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105652 + ... + 106048.

Almost surely, 2^42022450 is an apocalyptic number.

42022450 is a deficient number, since it is larger than the sum of its proper divisors (40148630).

42022450 is a wasteful number, since it uses less digits than its factorization.

42022450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 506 counting only the distinct ones).

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

The square root of 42022450 is about 6482.4725221169. The cubic root of 42022450 is about 347.6645874237.

Adding to 42022450 its reverse (5422024), we get a palindrome (47444474).

The spelling of 42022450 in words is "forty-two million, twenty-two thousand, four hundred fifty".