22045025521145 has 8 divisors (see below), whose sum is σ = 28858942500480. Its totient is φ = 16032745833520.

The previous prime is 22045025521139. The next prime is 22045025521163. The reversal of 22045025521145 is 54112552054022.

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

It is not a de Polignac number, because 22045025521145 - 2²² = 22045021326841 is a prime.

It is a super-2 number, since 2×22045025521145² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22045025521099 and 22045025521108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200409322865 + ... + 200409322974.

It is an arithmetic number, because the mean of its divisors is an integer number (3607367812560).

Almost surely, 2^{22045025521145} is an apocalyptic number.

It is an amenable number.

22045025521145 is a deficient number, since it is larger than the sum of its proper divisors (6813916979335).

22045025521145 is a wasteful number, since it uses less digits than its factorization.

22045025521145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400818645855.

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 22045025521145 its reverse (54112552054022), we get a palindrome (76157577575167).

The spelling of 22045025521145 in words is "twenty-two trillion, forty-five billion, twenty-five million, five hundred twenty-one thousand, one hundred forty-five".