22543402235042 has 16 divisors (see below), whose sum is σ = 36455891156160. Its totient is φ = 10393325469072.

The previous prime is 22543402234963. The next prime is 22543402235071. The reversal of 22543402235042 is 24053220434522.

It is a junction number, because it is equal to n+sod(n) for n = 22543402234987 and 22543402235005.

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, 471713828 + ... + 471761615.

It is an arithmetic number, because the mean of its divisors is an integer number (2278493197260).

Almost surely, 2^{22543402235042} is an apocalyptic number.

22543402235042 is a deficient number, since it is larger than the sum of its proper divisors (13912488921118).

22543402235042 is a wasteful number, since it uses less digits than its factorization.

22543402235042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943476377.

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 22543402235042 its reverse (24053220434522), we get a palindrome (46596622669564).

The spelling of 22543402235042 in words is "twenty-two trillion, five hundred forty-three billion, four hundred two million, two hundred thirty-five thousand, forty-two".