22153471149 has 4 divisors (see below), whose sum is σ = 29537961536. Its totient is φ = 14768980764.

The previous prime is 22153471133. The next prime is 22153471163. The reversal of 22153471149 is 94117435122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22153471149 - 2⁴ = 22153471133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153470149) 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, 3692245189 + ... + 3692245194.

It is an arithmetic number, because the mean of its divisors is an integer number (7384490384).

Almost surely, 2^22153471149 is an apocalyptic number.

It is an amenable number.

22153471149 is a deficient number, since it is larger than the sum of its proper divisors (7384490387).

22153471149 is an equidigital number, since it uses as much as digits as its factorization.

22153471149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384490386.

The product of its digits is 60480, while the sum is 39.

The spelling of 22153471149 in words is "twenty-two billion, one hundred fifty-three million, four hundred seventy-one thousand, one hundred forty-nine".