22122002210116 has 6 divisors (see below), whose sum is σ = 38713503867710. Its totient is φ = 11061001105056.

The previous prime is 22122002210083. The next prime is 22122002210117. The reversal of 22122002210116 is 61101220022122.

It can be written as a sum of positive squares in only one way, i.e., 20547363726400 + 1574638483716 = 4532920^2 + 1254846^2 .

It is a super-2 number, since 2×22122002210116² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22122002210117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765250276261 + ... + 2765250276268.

Almost surely, 2^{22122002210116} is an apocalyptic number.

It is an amenable number.

22122002210116 is a deficient number, since it is larger than the sum of its proper divisors (16591501657594).

22122002210116 is a wasteful number, since it uses less digits than its factorization.

22122002210116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530500552533 (or 5530500552531 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22122002210116 its reverse (61101220022122), we get a palindrome (83223222232238).

The spelling of 22122002210116 in words is "twenty-two trillion, one hundred twenty-two billion, two million, two hundred ten thousand, one hundred sixteen".