22148019422 has 4 divisors (see below), whose sum is σ = 33222029136. Its totient is φ = 11074009710.

The previous prime is 22148019419. The next prime is 22148019431. The reversal of 22148019422 is 22491084122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5537004854 + ... + 5537004857.

It is an arithmetic number, because the mean of its divisors is an integer number (8305507284).

Almost surely, 2^22148019422 is an apocalyptic number.

22148019422 is a deficient number, since it is larger than the sum of its proper divisors (11074009714).

22148019422 is a wasteful number, since it uses less digits than its factorization.

22148019422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074009713.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 22148019422 in words is "twenty-two billion, one hundred forty-eight million, nineteen thousand, four hundred twenty-two".