22430821957 has 8 divisors (see below), whose sum is σ = 23296348800. Its totient is φ = 21581473344.

The previous prime is 22430821879. The next prime is 22430821997. The reversal of 22430821957 is 75912803422.

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 22430821957 - 2¹¹ = 22430819909 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 (22430821997) 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, 4041732 + ... + 4047277.

It is an arithmetic number, because the mean of its divisors is an integer number (2912043600).

Almost surely, 2^22430821957 is an apocalyptic number.

It is an amenable number.

22430821957 is a deficient number, since it is larger than the sum of its proper divisors (865526843).

22430821957 is an equidigital number, since it uses as much as digits as its factorization.

22430821957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089115.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 22430821957 in words is "twenty-two billion, four hundred thirty million, eight hundred twenty-one thousand, nine hundred fifty-seven".