22220042402442 has 32 divisors (see below), whose sum is σ = 47233202065920. Its totient is φ = 6948730681200.

The previous prime is 22220042402381. The next prime is 22220042402471. The reversal of 22220042402442 is 24420424002222.

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 15 ways as a sum of consecutive naturals, for example, 946166184 + ... + 946189667.

It is an arithmetic number, because the mean of its divisors is an integer number (1476037564560).

Almost surely, 2^{22220042402442} is an apocalyptic number.

22220042402442 is an abundant number, since it is smaller than the sum of its proper divisors (25013159663478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22220042402442 is a wasteful number, since it uses less digits than its factorization.

22220042402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892355978.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22220042402442 its reverse (24420424002222), we get a palindrome (46640466404664).

The spelling of 22220042402442 in words is "twenty-two trillion, two hundred twenty billion, forty-two million, four hundred two thousand, four hundred forty-two".