22240044242 has 32 divisors (see below), whose sum is σ = 37123107840. Its totient is φ = 9923348160.

The previous prime is 22240044187. The next prime is 22240044259. The reversal of 22240044242 is 24244004222.

It is a super-2 number, since 2×22240044242² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802859 + ... + 830097.

It is an arithmetic number, because the mean of its divisors is an integer number (1160097120).

Almost surely, 2^22240044242 is an apocalyptic number.

22240044242 is a deficient number, since it is larger than the sum of its proper divisors (14883063598).

22240044242 is a wasteful number, since it uses less digits than its factorization.

22240044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28298.

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

Adding to 22240044242 its reverse (24244004222), we get a palindrome (46484048464).

The spelling of 22240044242 in words is "twenty-two billion, two hundred forty million, forty-four thousand, two hundred forty-two".