22325445464 has 48 divisors (see below), whose sum is σ = 48832777800. Its totient is φ = 9540883968.

The previous prime is 22325445409. The next prime is 22325445469. The reversal of 22325445464 is 46454452322.

It is a super-3 number, since 3×22325445464³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22325445469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57707 + ... + 219045.

Almost surely, 2^22325445464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22325445464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24416388900).

22325445464 is an abundant number, since it is smaller than the sum of its proper divisors (26507332336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22325445464 is a wasteful number, since it uses less digits than its factorization.

22325445464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161712 (or 161701 counting only the distinct ones).

The product of its digits is 921600, while the sum is 41.

Adding to 22325445464 its reverse (46454452322), we get a palindrome (68779897786).

The spelling of 22325445464 in words is "twenty-two billion, three hundred twenty-five million, four hundred forty-five thousand, four hundred sixty-four".