22214121444442 has 4 divisors (see below), whose sum is σ = 33321182166666. Its totient is φ = 11107060722220.

The previous prime is 22214121444439. The next prime is 22214121444467. The reversal of 22214121444442 is 24444412141222.

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., 16341976035441 + 5872145409001 = 4042521^2 + 2423251^2 .

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, 5553530361109 + ... + 5553530361112.

Almost surely, 2^{22214121444442} is an apocalyptic number.

22214121444442 is a deficient number, since it is larger than the sum of its proper divisors (11107060722224).

22214121444442 is a wasteful number, since it uses less digits than its factorization.

22214121444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107060722223.

The product of its digits is 131072, while the sum is 37.

Adding to 22214121444442 its reverse (24444412141222), we get a palindrome (46658533585664).

The spelling of 22214121444442 in words is "twenty-two trillion, two hundred fourteen billion, one hundred twenty-one million, four hundred forty-four thousand, four hundred forty-two".