22449185953 has 4 divisors (see below), whose sum is σ = 22454666800. Its totient is φ = 22443705108.

The previous prime is 22449185951. The next prime is 22449185977. The reversal of 22449185953 is 35958194422.

It is a happy number.

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 22449185953 - 2¹ = 22449185951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22449185953.

It is not an unprimeable number, because it can be changed into a prime (22449185951) 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, 2734275 + ... + 2742472.

It is an arithmetic number, because the mean of its divisors is an integer number (5613666700).

Almost surely, 2^22449185953 is an apocalyptic number.

It is an amenable number.

22449185953 is a deficient number, since it is larger than the sum of its proper divisors (5480847).

22449185953 is an equidigital number, since it uses as much as digits as its factorization.

22449185953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480846.

The product of its digits is 3110400, while the sum is 52.

The spelling of 22449185953 in words is "twenty-two billion, four hundred forty-nine million, one hundred eighty-five thousand, nine hundred fifty-three".