22146553211 has 4 divisors (see below), whose sum is σ = 22158455424. Its totient is φ = 22134651000.

The previous prime is 22146553139. The next prime is 22146553213. The reversal of 22146553211 is 11235564122.

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

It is a cyclic number.

It is not a de Polignac number, because 22146553211 - 2¹⁴ = 22146536827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22146553213) 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, 5948315 + ... + 5952036.

It is an arithmetic number, because the mean of its divisors is an integer number (5539613856).

Almost surely, 2^22146553211 is an apocalyptic number.

22146553211 is a deficient number, since it is larger than the sum of its proper divisors (11902213).

22146553211 is a wasteful number, since it uses less digits than its factorization.

22146553211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11902212.

The product of its digits is 14400, while the sum is 32.

The spelling of 22146553211 in words is "twenty-two billion, one hundred forty-six million, five hundred fifty-three thousand, two hundred eleven".