22641643045 has 16 divisors (see below), whose sum is σ = 31064254848. Its totient is φ = 15519268800.

The previous prime is 22641643043. The next prime is 22641643061. The reversal of 22641643045 is 54034614622.

It is not a de Polignac number, because 22641643045 - 2¹ = 22641643043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22641642995 and 22641643013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641643043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47431 + ... + 218020.

It is an arithmetic number, because the mean of its divisors is an integer number (1941515928).

Almost surely, 2^22641643045 is an apocalyptic number.

It is an amenable number.

22641643045 is a deficient number, since it is larger than the sum of its proper divisors (8422611803).

22641643045 is a wasteful number, since it uses less digits than its factorization.

22641643045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267900.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 22641643045 in words is "twenty-two billion, six hundred forty-one million, six hundred forty-three thousand, forty-five".