22530311644042 has 16 divisors (see below), whose sum is σ = 34970938848000. Its totient is φ = 10875109007520.

The previous prime is 22530311644007. The next prime is 22530311644163. The reversal of 22530311644042 is 24044611303522.

It is a super-2 number, since 2×22530311644042² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22530311643992 and 22530311644010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444219292 + ... + 444270007.

It is an arithmetic number, because the mean of its divisors is an integer number (2185683678000).

Almost surely, 2^{22530311644042} is an apocalyptic number.

22530311644042 is a deficient number, since it is larger than the sum of its proper divisors (12440627203958).

22530311644042 is a wasteful number, since it uses less digits than its factorization.

22530311644042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888489741.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 22530311644042 its reverse (24044611303522), we get a palindrome (46574922947564).

The spelling of 22530311644042 in words is "twenty-two trillion, five hundred thirty billion, three hundred eleven million, six hundred forty-four thousand, forty-two".