22044404222242 has 4 divisors (see below), whose sum is σ = 33066606333366. Its totient is φ = 11022202111120.

The previous prime is 22044404222237. The next prime is 22044404222327. The reversal of 22044404222242 is 24222240444022.

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., 20937954791601 + 1106449430641 = 4575801^2 + 1051879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22044404222198 and 22044404222207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511101055559 + ... + 5511101055562.

Almost surely, 2^{22044404222242} is an apocalyptic number.

22044404222242 is a deficient number, since it is larger than the sum of its proper divisors (11022202111124).

22044404222242 is a wasteful number, since it uses less digits than its factorization.

22044404222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11022202111123.

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 22044404222242 its reverse (24222240444022), we get a palindrome (46266644666264).

The spelling of 22044404222242 in words is "twenty-two trillion, forty-four billion, four hundred four million, two hundred twenty-two thousand, two hundred forty-two".