22371450389 has 4 divisors (see below), whose sum is σ = 22447803756. Its totient is φ = 22295097024.

The previous prime is 22371450349. The next prime is 22371450419. The reversal of 22371450389 is 98305417322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14011456900 + 8359993489 = 118370^2 + 91433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22371450389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22371450349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38176244 + ... + 38176829.

It is an arithmetic number, because the mean of its divisors is an integer number (5611950939).

Almost surely, 2^22371450389 is an apocalyptic number.

It is an amenable number.

22371450389 is a deficient number, since it is larger than the sum of its proper divisors (76353367).

22371450389 is an equidigital number, since it uses as much as digits as its factorization.

22371450389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76353366.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 22371450389 in words is "twenty-two billion, three hundred seventy-one million, four hundred fifty thousand, three hundred eighty-nine".