22401211542442 has 64 divisors (see below), whose sum is σ = 36047232748800. Its totient is φ = 10403954979840.

The previous prime is 22401211542431. The next prime is 22401211542449. The reversal of 22401211542442 is 24424511210422.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 22401211542398 and 22401211542407.

It is not an unprimeable number, because it can be changed into a prime (22401211542449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554067484 + ... + 554107912.

It is an arithmetic number, because the mean of its divisors is an integer number (563238011700).

Almost surely, 2^{22401211542442} is an apocalyptic number.

22401211542442 is a deficient number, since it is larger than the sum of its proper divisors (13646021206358).

22401211542442 is a wasteful number, since it uses less digits than its factorization.

22401211542442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41311.

The product of its (nonzero) digits is 40960, while the sum is 34.

Adding to 22401211542442 its reverse (24424511210422), we get a palindrome (46825722752864).

The spelling of 22401211542442 in words is "twenty-two trillion, four hundred one billion, two hundred eleven million, five hundred forty-two thousand, four hundred forty-two".