22768878209 has 32 divisors (see below), whose sum is σ = 31638988800. Its totient is φ = 15819459840.

The previous prime is 22768878179. The next prime is 22768878229. The reversal of 22768878209 is 90287886722.

It is a cyclic number.

It is not a de Polignac number, because 22768878209 - 2¹⁶ = 22768812673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22768878229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432869 + ... + 482610.

It is an arithmetic number, because the mean of its divisors is an integer number (988718400).

Almost surely, 2^22768878209 is an apocalyptic number.

It is an amenable number.

22768878209 is a deficient number, since it is larger than the sum of its proper divisors (8870110591).

22768878209 is a wasteful number, since it uses less digits than its factorization.

22768878209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915533.

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 22768878209 in words is "twenty-two billion, seven hundred sixty-eight million, eight hundred seventy-eight thousand, two hundred nine".