22668678901 has 4 divisors (see below), whose sum is σ = 24729467904. Its totient is φ = 20607889900.

The previous prime is 22668678847. The next prime is 22668678943. The reversal of 22668678901 is 10987686622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22668678901 - 2¹³ = 22668670709 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 (22668678961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030394485 + ... + 1030394506.

It is an arithmetic number, because the mean of its divisors is an integer number (6182366976).

Almost surely, 2^22668678901 is an apocalyptic number.

It is an amenable number.

22668678901 is a deficient number, since it is larger than the sum of its proper divisors (2060789003).

22668678901 is a wasteful number, since it uses less digits than its factorization.

22668678901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060789002.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 22668678901 in words is "twenty-two billion, six hundred sixty-eight million, six hundred seventy-eight thousand, nine hundred one".