23219221985 has 8 divisors (see below), whose sum is σ = 29329543680. Its totient is φ = 17597726064.

The previous prime is 23219221981. The next prime is 23219221997. The reversal of 23219221985 is 58912291232.

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 23219221985 - 2² = 23219221981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23219221981) 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, 122206337 + ... + 122206526.

It is an arithmetic number, because the mean of its divisors is an integer number (3666192960).

Almost surely, 2^23219221985 is an apocalyptic number.

It is an amenable number.

23219221985 is a deficient number, since it is larger than the sum of its proper divisors (6110321695).

23219221985 is a wasteful number, since it uses less digits than its factorization.

23219221985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244412887.

The product of its digits is 155520, while the sum is 44.

The spelling of 23219221985 in words is "twenty-three billion, two hundred nineteen million, two hundred twenty-one thousand, nine hundred eighty-five".