42240022244 has 12 divisors (see below), whose sum is σ = 84480044544. Its totient is φ = 18102866664.

The previous prime is 42240022189. The next prime is 42240022249. The reversal of 42240022244 is 44222004224.

42240022244 is an admirable number.

It is a super-2 number, since 2×42240022244² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42240022249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754286084 + ... + 754286139.

It is an arithmetic number, because the mean of its divisors is an integer number (7040003712).

Almost surely, 2^42240022244 is an apocalyptic number.

It is an amenable number.

42240022244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42240022244 is a wasteful number, since it uses less digits than its factorization.

42240022244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508572234 (or 1508572232 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 42240022244 its reverse (44222004224), we get a palindrome (86462026468).

The spelling of 42240022244 in words is "forty-two billion, two hundred forty million, twenty-two thousand, two hundred forty-four".