22404403312242 has 64 divisors (see below), whose sum is σ = 52256201932800. Its totient is φ = 6401131442832.

The previous prime is 22404403312237. The next prime is 22404403312303. The reversal of 22404403312242 is 24221330440422.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166678153 + ... + 166812515.

It is an arithmetic number, because the mean of its divisors is an integer number (816503155200).

Almost surely, 2^{22404403312242} is an apocalyptic number.

22404403312242 is an abundant number, since it is smaller than the sum of its proper divisors (29851798620558).

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

22404403312242 is a wasteful number, since it uses less digits than its factorization.

22404403312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215412 (or 215398 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 22404403312242 its reverse (24221330440422), we get a palindrome (46625733752664).

The spelling of 22404403312242 in words is "twenty-two trillion, four hundred four billion, four hundred three million, three hundred twelve thousand, two hundred forty-two".