22118015901 has 16 divisors (see below), whose sum is σ = 30131276544. Its totient is φ = 14425323264.

The previous prime is 22118015891. The next prime is 22118015981. The reversal of 22118015901 is 10951081122.

It is not a de Polignac number, because 22118015901 - 2²⁶ = 22050907037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22118015981) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 302161 + ... + 368153.

It is an arithmetic number, because the mean of its divisors is an integer number (1883204784).

Almost surely, 2^22118015901 is an apocalyptic number.

It is an amenable number.

22118015901 is a deficient number, since it is larger than the sum of its proper divisors (8013260643).

22118015901 is a wasteful number, since it uses less digits than its factorization.

22118015901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68420.

The product of its (nonzero) digits is 1440, while the sum is 30.

The spelling of 22118015901 in words is "twenty-two billion, one hundred eighteen million, fifteen thousand, nine hundred one".