22244343440242 has 96 divisors (see below), whose sum is σ = 42889599256320. Its totient is φ = 8554737784320.

The previous prime is 22244343440219. The next prime is 22244343440281. The reversal of 22244343440242 is 24204434344222.

It is a junction number, because it is equal to n+sod(n) for n = 22244343440195 and 22244343440204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355690408 + ... + 355752940.

It is an arithmetic number, because the mean of its divisors is an integer number (446766658920).

Almost surely, 2^{22244343440242} is an apocalyptic number.

22244343440242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22244343440242 is a deficient number, since it is larger than the sum of its proper divisors (20645255816078).

22244343440242 is a wasteful number, since it uses less digits than its factorization.

22244343440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66816 (or 66809 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 40.

Adding to 22244343440242 its reverse (24204434344222), we get a palindrome (46448777784464).

The spelling of 22244343440242 in words is "twenty-two trillion, two hundred forty-four billion, three hundred forty-three million, four hundred forty thousand, two hundred forty-two".