22851864309 has 8 divisors (see below), whose sum is σ = 31519812960. Its totient is φ = 14709245936.

The previous prime is 22851864293. The next prime is 22851864341. The reversal of 22851864309 is 90346815822.

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 22851864309 - 2⁴ = 22851864293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22851864359) 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, 131332467 + ... + 131332640.

It is an arithmetic number, because the mean of its divisors is an integer number (3939976620).

Almost surely, 2^22851864309 is an apocalyptic number.

22851864309 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22851864309 is a deficient number, since it is larger than the sum of its proper divisors (8667948651).

22851864309 is a wasteful number, since it uses less digits than its factorization.

22851864309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262665139.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 22851864309 in words is "twenty-two billion, eight hundred fifty-one million, eight hundred sixty-four thousand, three hundred nine".