22164803867825 has 24 divisors (see below), whose sum is σ = 29101553095680. Its totient is φ = 16688524294400.

The previous prime is 22164803867813. The next prime is 22164803867849. The reversal of 22164803867825 is 52876830846122.

It is a happy number.

It is not a de Polignac number, because 22164803867825 - 2⁴ = 22164803867809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28254236 + ... + 29028114.

It is an arithmetic number, because the mean of its divisors is an integer number (1212564712320).

Almost surely, 2^{22164803867825} is an apocalyptic number.

22164803867825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22164803867825 is a deficient number, since it is larger than the sum of its proper divisors (6936749227855).

22164803867825 is a wasteful number, since it uses less digits than its factorization.

22164803867825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841297 (or 841292 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 62.

The spelling of 22164803867825 in words is "twenty-two trillion, one hundred sixty-four billion, eight hundred three million, eight hundred sixty-seven thousand, eight hundred twenty-five".