22002431145 has 16 divisors (see below), whose sum is σ = 35205793152. Its totient is φ = 11733995520.

The previous prime is 22002431141. The next prime is 22002431147. The reversal of 22002431145 is 54113420022.

It is not a de Polignac number, because 22002431145 - 2² = 22002431141 is a prime.

It is a super-2 number, since 2×22002431145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22002431141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415785 + ... + 465705.

It is an arithmetic number, because the mean of its divisors is an integer number (2200362072).

Almost surely, 2^22002431145 is an apocalyptic number.

It is an amenable number.

22002431145 is a deficient number, since it is larger than the sum of its proper divisors (13203362007).

22002431145 is a wasteful number, since it uses less digits than its factorization.

22002431145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79312.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22002431145 its reverse (54113420022), we get a palindrome (76115851167).

The spelling of 22002431145 in words is "twenty-two billion, two million, four hundred thirty-one thousand, one hundred forty-five".