22499490901 has 8 divisors (see below), whose sum is σ = 22666153664. Its totient is φ = 22333060800.

The previous prime is 22499490841. The next prime is 22499490943. The reversal of 22499490901 is 10909499422.

It is a happy number.

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 22499490901 - 2⁷ = 22499490773 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 (22499490971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138406 + ... + 253288.

It is an arithmetic number, because the mean of its divisors is an integer number (2833269208).

Almost surely, 2^22499490901 is an apocalyptic number.

It is an amenable number.

22499490901 is a deficient number, since it is larger than the sum of its proper divisors (166662763).

22499490901 is a wasteful number, since it uses less digits than its factorization.

22499490901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116331.

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 22499490901 in words is "twenty-two billion, four hundred ninety-nine million, four hundred ninety thousand, nine hundred one".