22125020145 has 8 divisors (see below), whose sum is σ = 35400032256. Its totient is φ = 11800010736.

The previous prime is 22125020143. The next prime is 22125020147. The reversal of 22125020145 is 54102052122.

It is an interprime number because it is at equal distance from previous prime (22125020143) and next prime (22125020147).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22125020145 - 2¹ = 22125020143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22125020143) 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, 737500657 + ... + 737500686.

It is an arithmetic number, because the mean of its divisors is an integer number (4425004032).

Almost surely, 2^22125020145 is an apocalyptic number.

It is an amenable number.

22125020145 is a deficient number, since it is larger than the sum of its proper divisors (13275012111).

22125020145 is a wasteful number, since it uses less digits than its factorization.

22125020145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475001351.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 22125020145 its reverse (54102052122), we get a palindrome (76227072267).

The spelling of 22125020145 in words is "twenty-two billion, one hundred twenty-five million, twenty thousand, one hundred forty-five".