22049185671 has 6 divisors (see below), whose sum is σ = 31848823760. Its totient is φ = 14699457108.

The previous prime is 22049185621. The next prime is 22049185751. The reversal of 22049185671 is 17658194022.

22049185671 is a `hidden beast` number, since 2 + 20 + 491 + 85 + 67 + 1 = 666.

It is not a de Polignac number, because 22049185671 - 2⁹ = 22049185159 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 (22049185601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224954751 + ... + 1224954768.

Almost surely, 2^22049185671 is an apocalyptic number.

22049185671 is a deficient number, since it is larger than the sum of its proper divisors (9799638089).

22049185671 is a wasteful number, since it uses less digits than its factorization.

22049185671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449909525 (or 2449909522 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 22049185671 in words is "twenty-two billion, forty-nine million, one hundred eighty-five thousand, six hundred seventy-one".