22018891059291 has 48 divisors (see below), whose sum is σ = 35000330918784. Its totient is φ = 12270498420096.

The previous prime is 22018891059227. The next prime is 22018891059307. The reversal of 22018891059291 is 19295019881022.

It is not a de Polignac number, because 22018891059291 - 2⁶ = 22018891059227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22018891059691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1355655 + ... + 6773151.

It is an arithmetic number, because the mean of its divisors is an integer number (729173560808).

Almost surely, 2^{22018891059291} is an apocalyptic number.

22018891059291 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22018891059291 is a deficient number, since it is larger than the sum of its proper divisors (12981439859493).

22018891059291 is a wasteful number, since it uses less digits than its factorization.

22018891059291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418200 (or 5418193 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 57.

The spelling of 22018891059291 in words is "twenty-two trillion, eighteen billion, eight hundred ninety-one million, fifty-nine thousand, two hundred ninety-one".