22045419529 has 9 divisors (see below), whose sum is σ = 25645880781. Its totient is φ = 18895183020.

The previous prime is 22045419481. The next prime is 22045419533. The reversal of 22045419529 is 92591454022.

The square root of 22045419529 is 148477.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 22045419529 - 2⁷ = 22045419401 is a prime.

It is a super-2 number, since 2×22045419529² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22045419029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1028734 + ... + 1049944.

It is an arithmetic number, because the mean of its divisors is an integer number (2849542309).

Almost surely, 2^22045419529 is an apocalyptic number.

22045419529 is the 148477-th square number.

22045419529 is the 74239-th centered octagonal number.

It is an amenable number.

22045419529 is a deficient number, since it is larger than the sum of its proper divisors (3600461252).

22045419529 is an frugal number, since it uses more digits than its factorization.

22045419529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42436 (or 21218 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 22045419529 in words is "twenty-two billion, forty-five million, four hundred nineteen thousand, five hundred twenty-nine".