22224532202242 has 4 divisors (see below), whose sum is σ = 33336798303366. Its totient is φ = 11112266101120.

The previous prime is 22224532202179. The next prime is 22224532202267. The reversal of 22224532202242 is 24220223542222.

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., 22032706597801 + 191825604441 = 4693901^2 + 437979^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22224532202198 and 22224532202207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556133050559 + ... + 5556133050562.

Almost surely, 2^{22224532202242} is an apocalyptic number.

22224532202242 is a deficient number, since it is larger than the sum of its proper divisors (11112266101124).

22224532202242 is a wasteful number, since it uses less digits than its factorization.

22224532202242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112266101123.

The product of its (nonzero) digits is 122880, while the sum is 34.

Adding to 22224532202242 its reverse (24220223542222), we get a palindrome (46444755744464).

The spelling of 22224532202242 in words is "twenty-two trillion, two hundred twenty-four billion, five hundred thirty-two million, two hundred two thousand, two hundred forty-two".