22730001 has 8 divisors (see below), whose sum is σ = 34636224. Its totient is φ = 12988560.

The previous prime is 22729991. The next prime is 22730009. The reversal of 22730001 is 10003722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22730001 - 2⁹ = 22729489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22730009) 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, 541170 + ... + 541211.

It is an arithmetic number, because the mean of its divisors is an integer number (4329528).

Almost surely, 2^22730001 is an apocalyptic number.

22730001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22730001 is a deficient number, since it is larger than the sum of its proper divisors (11906223).

22730001 is a wasteful number, since it uses less digits than its factorization.

22730001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082391.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 22730001 is about 4767.5990812987. The cubic root of 22730001 is about 283.2695014990.

Adding to 22730001 its reverse (10003722), we get a palindrome (32733723).

The spelling of 22730001 in words is "twenty-two million, seven hundred thirty thousand, one".