22198914011 has 4 divisors (see below), whose sum is σ = 22414437552. Its totient is φ = 21983390472.

The previous prime is 22198913983. The next prime is 22198914019. The reversal of 22198914011 is 11041989122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22198914011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22198914019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107761616 + ... + 107761821.

It is an arithmetic number, because the mean of its divisors is an integer number (5603609388).

Almost surely, 2^22198914011 is an apocalyptic number.

22198914011 is a deficient number, since it is larger than the sum of its proper divisors (215523541).

22198914011 is a wasteful number, since it uses less digits than its factorization.

22198914011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215523540.

The product of its (nonzero) digits is 10368, while the sum is 38.

Adding to 22198914011 its sum of digits (38), we get a square (22198914049 = 148993²).

The spelling of 22198914011 in words is "twenty-two billion, one hundred ninety-eight million, nine hundred fourteen thousand, eleven".