22403311211442 has 32 divisors (see below), whose sum is σ = 51207790096512. Its totient is φ = 6400918358784.

The previous prime is 22403311211441. The next prime is 22403311211569. The reversal of 22403311211442 is 24411211330422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22403311211441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9915018 + ... + 11963034.

It is an arithmetic number, because the mean of its divisors is an integer number (1600243440516).

Almost surely, 2^{22403311211442} is an apocalyptic number.

22403311211442 is an abundant number, since it is smaller than the sum of its proper divisors (28804478885070).

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

22403311211442 is a wasteful number, since it uses less digits than its factorization.

22403311211442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308482.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 22403311211442 its reverse (24411211330422), we get a palindrome (46814522541864).

The spelling of 22403311211442 in words is "twenty-two trillion, four hundred three billion, three hundred eleven million, two hundred eleven thousand, four hundred forty-two".