22444440442042 has 8 divisors (see below), whose sum is σ = 33861265638516. Its totient is φ = 11157351895872.

The previous prime is 22444440442009. The next prime is 22444440442043. The reversal of 22444440442042 is 24024404444422.

It can be written as a sum of positive squares in 2 ways, for example, as 22417942788081 + 26497653961 = 4734759^2 + 162781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22444440442042² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22444440441986 and 22444440442004.

It is not an unprimeable number, because it can be changed into a prime (22444440442043) 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, 32434162143 + ... + 32434162834.

Almost surely, 2^{22444440442042} is an apocalyptic number.

22444440442042 is a deficient number, since it is larger than the sum of its proper divisors (11416825196474).

22444440442042 is a wasteful number, since it uses less digits than its factorization.

22444440442042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64868325152.

The product of its (nonzero) digits is 1048576, while the sum is 40.

Adding to 22444440442042 its reverse (24024404444422), we get a palindrome (46468844886464).

The spelling of 22444440442042 in words is "twenty-two trillion, four hundred forty-four billion, four hundred forty million, four hundred forty-two thousand, forty-two".