22499799 has 8 divisors (see below), whose sum is σ = 34285440. Its totient is φ = 12857016.

The previous prime is 22499767. The next prime is 22499803. The reversal of 22499799 is 99799422.

It is a happy number.

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

It is not a de Polignac number, because 22499799 - 2⁵ = 22499767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22499749) 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, 535689 + ... + 535730.

It is an arithmetic number, because the mean of its divisors is an integer number (4285680).

Almost surely, 2^22499799 is an apocalyptic number.

22499799 is a deficient number, since it is larger than the sum of its proper divisors (11785641).

22499799 is a wasteful number, since it uses less digits than its factorization.

22499799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071429.

The product of its digits is 734832, while the sum is 51.

The square root of 22499799 is about 4743.3953029449. The cubic root of 22499799 is about 282.3099680030.

The spelling of 22499799 in words is "twenty-two million, four hundred ninety-nine thousand, seven hundred ninety-nine".