22212240520442 has 8 divisors (see below), whose sum is σ = 38078126606496. Its totient is φ = 9519531651612.

The previous prime is 22212240520429. The next prime is 22212240520489. The reversal of 22212240520442 is 24402504221222.

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

It is a junction number, because it is equal to n+sod(n) for n = 22212240520399 and 22212240520408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793294304288 + ... + 793294304315.

It is an arithmetic number, because the mean of its divisors is an integer number (4759765825812).

Almost surely, 2^{22212240520442} is an apocalyptic number.

22212240520442 is a deficient number, since it is larger than the sum of its proper divisors (15865886086054).

22212240520442 is a wasteful number, since it uses less digits than its factorization.

22212240520442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586588608612.

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 22212240520442 its reverse (24402504221222), we get a palindrome (46614744741664).

The spelling of 22212240520442 in words is "twenty-two trillion, two hundred twelve billion, two hundred forty million, five hundred twenty thousand, four hundred forty-two".