22064432461 has 8 divisors (see below), whose sum is σ = 23328038880. Its totient is φ = 20811058128.

The previous prime is 22064432459. The next prime is 22064432501. The reversal of 22064432461 is 16423446022.

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

It is a cyclic number.

It is not a de Polignac number, because 22064432461 - 2¹ = 22064432459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064432561) 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, 2553586 + ... + 2562211.

It is an arithmetic number, because the mean of its divisors is an integer number (2916004860).

Almost surely, 2^22064432461 is an apocalyptic number.

It is an amenable number.

22064432461 is a deficient number, since it is larger than the sum of its proper divisors (1263606419).

22064432461 is a wasteful number, since it uses less digits than its factorization.

22064432461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116043.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 22064432461 its reverse (16423446022), we get a palindrome (38487878483).

The spelling of 22064432461 in words is "twenty-two billion, sixty-four million, four hundred thirty-two thousand, four hundred sixty-one".