22018091077869 has 16 divisors (see below), whose sum is σ = 29400442325760. Its totient is φ = 14657238792000.

The previous prime is 22018091077753. The next prime is 22018091077949. The reversal of 22018091077869 is 96877019081022.

It is not a de Polignac number, because 22018091077869 - 2³¹ = 22015943594221 is a prime.

It is a super-2 number, since 2×22018091077869² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22018091077369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16454139 + ... + 17741895.

It is an arithmetic number, because the mean of its divisors is an integer number (1837527645360).

Almost surely, 2^{22018091077869} is an apocalyptic number.

It is an amenable number.

22018091077869 is a deficient number, since it is larger than the sum of its proper divisors (7382351247891).

22018091077869 is a wasteful number, since it uses less digits than its factorization.

22018091077869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296100.

The product of its (nonzero) digits is 6096384, while the sum is 60.

The spelling of 22018091077869 in words is "twenty-two trillion, eighteen billion, ninety-one million, seventy-seven thousand, eight hundred sixty-nine".