22204202242442 has 16 divisors (see below), whose sum is σ = 36338884725312. Its totient is φ = 10091503756320.

The previous prime is 22204202242433. The next prime is 22204202242457. The reversal of 22204202242442 is 24424220240222.

It is a super-2 number, since 2×22204202242442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22204202242399 and 22204202242408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65599598 + ... + 65937209.

It is an arithmetic number, because the mean of its divisors is an integer number (2271180295332).

Almost surely, 2^{22204202242442} is an apocalyptic number.

22204202242442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22204202242442 is a deficient number, since it is larger than the sum of its proper divisors (14134682482870).

22204202242442 is a wasteful number, since it uses less digits than its factorization.

22204202242442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131544493.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22204202242442 its reverse (24424220240222), we get a palindrome (46628422482664).

The spelling of 22204202242442 in words is "twenty-two trillion, two hundred four billion, two hundred two million, two hundred forty-two thousand, four hundred forty-two".