22165160424122 has 4 divisors (see below), whose sum is σ = 33247740636186. Its totient is φ = 11082580212060.

The previous prime is 22165160424109. The next prime is 22165160424131. The reversal of 22165160424122 is 22142406156122.

It is a Cunningham number, because it is equal to 4707989²+1.

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., 22165160424121 + 1 = 4707989^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5541290106029 + ... + 5541290106032.

Almost surely, 2^{22165160424122} is an apocalyptic number.

22165160424122 is a deficient number, since it is larger than the sum of its proper divisors (11082580212064).

22165160424122 is a wasteful number, since it uses less digits than its factorization.

22165160424122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11082580212063.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 22165160424122 in words is "twenty-two trillion, one hundred sixty-five billion, one hundred sixty million, four hundred twenty-four thousand, one hundred twenty-two".