22499999999 has 8 divisors (see below), whose sum is σ = 22878305040. Its totient is φ = 22122000000.

The previous prime is 22499999993. The next prime is 22500000007. The reversal of 22499999999 is 99999999422.

It is a Cunningham number, because it is equal to 150000²-1.

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

It is a cyclic number.

It is not a de Polignac number, because 22499999999 - 2⁴ = 22499999983 is a prime.

It is a Duffinian number.

22499999999 is a modest number, since divided by 999999 gives 22499 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22499999993) 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, 74999 + ... + 224999.

It is an arithmetic number, because the mean of its divisors is an integer number (2859788130).

Almost surely, 2^22499999999 is an apocalyptic number.

22499999999 is a deficient number, since it is larger than the sum of its proper divisors (378305041).

22499999999 is a wasteful number, since it uses less digits than its factorization.

22499999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152521.

The product of its digits is 688747536, while the sum is 80.

The spelling of 22499999999 in words is "twenty-two billion, four hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".