22520401150442 has 16 divisors (see below), whose sum is σ = 37153133160192. Its totient is φ = 10172881697520.

The previous prime is 22520401150439. The next prime is 22520401150487. The reversal of 22520401150442 is 24405110402522.

It is a junction number, because it is equal to n+sod(n) for n = 22520401150399 and 22520401150408.

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, 9214565534 + ... + 9214567977.

It is an arithmetic number, because the mean of its divisors is an integer number (2322070822512).

Almost surely, 2^{22520401150442} is an apocalyptic number.

22520401150442 is a deficient number, since it is larger than the sum of its proper divisors (14632732009750).

22520401150442 is a wasteful number, since it uses less digits than its factorization.

22520401150442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18429133573.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 22520401150442 its reverse (24405110402522), we get a palindrome (46925511552964).

The spelling of 22520401150442 in words is "twenty-two trillion, five hundred twenty billion, four hundred one million, one hundred fifty thousand, four hundred forty-two".