22172799 has 8 divisors (see below), whose sum is σ = 32251392. Its totient is φ = 13438040.

The previous prime is 22172797. The next prime is 22172819. The reversal of 22172799 is 99727122.

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

It is not a de Polignac number, because 22172799 - 2¹ = 22172797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22172797) 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, 335919 + ... + 335984.

It is an arithmetic number, because the mean of its divisors is an integer number (4031424).

Almost surely, 2^22172799 is an apocalyptic number.

22172799 is a deficient number, since it is larger than the sum of its proper divisors (10078593).

22172799 is a wasteful number, since it uses less digits than its factorization.

22172799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671917.

The product of its digits is 31752, while the sum is 39.

The square root of 22172799 is about 4708.8001656473. The cubic root of 22172799 is about 280.9356412597.

The spelling of 22172799 in words is "twenty-two million, one hundred seventy-two thousand, seven hundred ninety-nine".