22101432242 has 4 divisors (see below), whose sum is σ = 33152148366. Its totient is φ = 11050716120.

The previous prime is 22101432209. The next prime is 22101432277. The reversal of 22101432242 is 24223410122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12975260281 + 9126171961 = 113909^2 + 95531^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525358059 + ... + 5525358062.

Almost surely, 2^22101432242 is an apocalyptic number.

22101432242 is a deficient number, since it is larger than the sum of its proper divisors (11050716124).

22101432242 is a wasteful number, since it uses less digits than its factorization.

22101432242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050716123.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22101432242 its reverse (24223410122), we get a palindrome (46324842364).

The spelling of 22101432242 in words is "twenty-two billion, one hundred one million, four hundred thirty-two thousand, two hundred forty-two".