22684001 has 4 divisors (see below), whose sum is σ = 24018372. Its totient is φ = 21349632.

The previous prime is 22683979. The next prime is 22684007. The reversal of 22684001 is 10048622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10048622 = 2 ⋅5024311.

It can be written as a sum of positive squares in 2 ways, for example, as 13690000 + 8994001 = 3700^2 + 2999^2 .

It is a cyclic number.

It is not a de Polignac number, because 22684001 - 2⁶ = 22683937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22684007) 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, 667160 + ... + 667193.

It is an arithmetic number, because the mean of its divisors is an integer number (6004593).

Almost surely, 2^22684001 is an apocalyptic number.

It is an amenable number.

22684001 is a deficient number, since it is larger than the sum of its proper divisors (1334371).

22684001 is a wasteful number, since it uses less digits than its factorization.

22684001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334370.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 22684001 is about 4762.7724069076. The cubic root of 22684001 is about 283.0782828964.

The spelling of 22684001 in words is "twenty-two million, six hundred eighty-four thousand, one".