22212044402122 has 4 divisors (see below), whose sum is σ = 33318066603186. Its totient is φ = 11106022201060.

The previous prime is 22212044402087. The next prime is 22212044402137. The reversal of 22212044402122 is 22120444021222.

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., 22075610943961 + 136433458161 = 4698469^2 + 369369^2 .

It is a super-3 number, since 3×22212044402122³ (a number of 41 digits) contains 333 as substring.

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, 5553011100529 + ... + 5553011100532.

Almost surely, 2^{22212044402122} is an apocalyptic number.

22212044402122 is a deficient number, since it is larger than the sum of its proper divisors (11106022201064).

22212044402122 is a wasteful number, since it uses less digits than its factorization.

22212044402122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106022201063.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 22212044402122 its reverse (22120444021222), we get a palindrome (44332488423344).

It can be divided in two parts, 2 and 2212044402122, that multiplied together give a palindrome (4424088804244).

The spelling of 22212044402122 in words is "twenty-two trillion, two hundred twelve billion, forty-four million, four hundred two thousand, one hundred twenty-two".