42244030 has 16 divisors (see below), whose sum is σ = 80041680. Its totient is φ = 16008192.

The previous prime is 42244009. The next prime is 42244057. The reversal of 42244030 is 3044224.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 42243989 and 42244007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110979 + ... + 111358.

It is an arithmetic number, because the mean of its divisors is an integer number (5002605).

Almost surely, 2^42244030 is an apocalyptic number.

42244030 is a deficient number, since it is larger than the sum of its proper divisors (37797650).

42244030 is a wasteful number, since it uses less digits than its factorization.

42244030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222363.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42244030 is about 6499.5407530071. The cubic root of 42244030 is about 348.2745829098.

Adding to 42244030 its reverse (3044224), we get a palindrome (45288254).

The spelling of 42244030 in words is "forty-two million, two hundred forty-four thousand, thirty".