22145021302 has 16 divisors (see below), whose sum is σ = 34430630400. Its totient is φ = 10675177128.

The previous prime is 22145021291. The next prime is 22145021309. The reversal of 22145021302 is 20312054122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145021309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751802 + ... + 1764397.

It is an arithmetic number, because the mean of its divisors is an integer number (2151914400).

Almost surely, 2^22145021302 is an apocalyptic number.

22145021302 is a deficient number, since it is larger than the sum of its proper divisors (12285609098).

22145021302 is a wasteful number, since it uses less digits than its factorization.

22145021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516315.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 22145021302 its reverse (20312054122), we get a palindrome (42457075424).

The spelling of 22145021302 in words is "twenty-two billion, one hundred forty-five million, twenty-one thousand, three hundred two".