22145021335 has 4 divisors (see below), whose sum is σ = 26574025608. Its totient is φ = 17716017064.

The previous prime is 22145021329. The next prime is 22145021411. The reversal of 22145021335 is 53312054122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22145021335 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2214502129 + ... + 2214502138.

It is an arithmetic number, because the mean of its divisors is an integer number (6643506402).

Almost surely, 2^22145021335 is an apocalyptic number.

22145021335 is a deficient number, since it is larger than the sum of its proper divisors (4429004273).

22145021335 is an equidigital number, since it uses as much as digits as its factorization.

22145021335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429004272.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 22145021335 its reverse (53312054122), we get a palindrome (75457075457).

The spelling of 22145021335 in words is "twenty-two billion, one hundred forty-five million, twenty-one thousand, three hundred thirty-five".