22722771 has 8 divisors (see below), whose sum is σ = 30320080. Its totient is φ = 15136992.

The previous prime is 22722757. The next prime is 22722793. The reversal of 22722771 is 17722722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22722771 - 2¹⁰ = 22721747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22722701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4221 + ... + 7953.

It is an arithmetic number, because the mean of its divisors is an integer number (3790010).

Almost surely, 2^22722771 is an apocalyptic number.

22722771 is a deficient number, since it is larger than the sum of its proper divisors (7597309).

22722771 is a wasteful number, since it uses less digits than its factorization.

22722771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765.

The product of its digits is 5488, while the sum is 30.

The square root of 22722771 is about 4766.8407777059. The cubic root of 22722771 is about 283.2394640215.

The spelling of 22722771 in words is "twenty-two million, seven hundred twenty-two thousand, seven hundred seventy-one".