223201001 has 4 divisors (see below), whose sum is σ = 223319952. Its totient is φ = 223082052.

The previous prime is 223200949. The next prime is 223201009. The reversal of 223201001 is 100102322.

It is a happy number.

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 223201001 - 2⁶ = 223200937 is a prime.

It is a super-3 number, since 3×223201001³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223201009) 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, 56615 + ... + 60428.

It is an arithmetic number, because the mean of its divisors is an integer number (55829988).

Almost surely, 2^223201001 is an apocalyptic number.

It is an amenable number.

223201001 is a deficient number, since it is larger than the sum of its proper divisors (118951).

223201001 is a wasteful number, since it uses less digits than its factorization.

223201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118950.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 223201001 is about 14939.9130184884. The cubic root of 223201001 is about 606.5948413873.

Adding to 223201001 its reverse (100102322), we get a palindrome (323303323).

It can be divided in two parts, 22 and 3201001, that added together give a palindrome (3201023).

The spelling of 223201001 in words is "two hundred twenty-three million, two hundred one thousand, one".