22528827461 has 6 divisors (see below), whose sum is σ = 26207003430. Its totient is φ = 19310423496.

The previous prime is 22528827443. The next prime is 22528827481. The reversal of 22528827461 is 16472882522.

It can be written as a sum of positive squares in only one way, i.e., 16171954561 + 6356872900 = 127169^2 + 79730^2 .

It is not a de Polignac number, because 22528827461 - 2²⁶ = 22461718597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22528827481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229885946 + ... + 229886043.

It is an arithmetic number, because the mean of its divisors is an integer number (4367833905).

Almost surely, 2^22528827461 is an apocalyptic number.

It is an amenable number.

22528827461 is a deficient number, since it is larger than the sum of its proper divisors (3678175969).

22528827461 is an equidigital number, since it uses as much as digits as its factorization.

22528827461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459772003 (or 459771996 counting only the distinct ones).

The product of its digits is 860160, while the sum is 47.

The spelling of 22528827461 in words is "twenty-two billion, five hundred twenty-eight million, eight hundred twenty-seven thousand, four hundred sixty-one".