22230001 has 4 divisors (see below), whose sum is σ = 22245952. Its totient is φ = 22214052.

The previous prime is 22229993. The next prime is 22230023. The reversal of 22230001 is 10003222.

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 22230001 - 2³ = 22229993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22230001.

It is not an unprimeable number, because it can be changed into a prime (22230301) 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, 5661 + ... + 8746.

It is an arithmetic number, because the mean of its divisors is an integer number (5561488).

Almost surely, 2^22230001 is an apocalyptic number.

It is an amenable number.

22230001 is a deficient number, since it is larger than the sum of its proper divisors (15951).

22230001 is a wasteful number, since it uses less digits than its factorization.

22230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15950.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 22230001 is about 4714.8701996980. The cubic root of 22230001 is about 281.1770223167.

Adding to 22230001 its reverse (10003222), we get a palindrome (32233223).

The spelling of 22230001 in words is "twenty-two million, two hundred thirty thousand, one".