22345577389 has 4 divisors (see below), whose sum is σ = 23317124256. Its totient is φ = 21374030524.

The previous prime is 22345577383. The next prime is 22345577479. The reversal of 22345577389 is 98377554322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22345577389 - 2⁵ = 22345577357 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 (22345577383) 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, 485773399 + ... + 485773444.

It is an arithmetic number, because the mean of its divisors is an integer number (5829281064).

Almost surely, 2^22345577389 is an apocalyptic number.

It is an amenable number.

22345577389 is a deficient number, since it is larger than the sum of its proper divisors (971546867).

22345577389 is an equidigital number, since it uses as much as digits as its factorization.

22345577389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971546866.

The product of its digits is 12700800, while the sum is 55.

The spelling of 22345577389 in words is "twenty-two billion, three hundred forty-five million, five hundred seventy-seven thousand, three hundred eighty-nine".