223631401 has 8 divisors (see below), whose sum is σ = 257418560. Its totient is φ = 190304208.

The previous prime is 223631399. The next prime is 223631423. The reversal of 223631401 is 104136322.

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

It is a cyclic number.

It is not a de Polignac number, because 223631401 - 2¹ = 223631399 is a prime.

It is a super-2 number, since 2×223631401² = 100022007026445602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223631491) 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, 113946 + ... + 115891.

It is an arithmetic number, because the mean of its divisors is an integer number (32177320).

Almost surely, 2^223631401 is an apocalyptic number.

It is an amenable number.

223631401 is a deficient number, since it is larger than the sum of its proper divisors (33787159).

223631401 is a wasteful number, since it uses less digits than its factorization.

223631401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229983.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 223631401 is about 14954.3104488305. The cubic root of 223631401 is about 606.9844913516.

Adding to 223631401 its reverse (104136322), we get a palindrome (327767723).

The spelling of 223631401 in words is "two hundred twenty-three million, six hundred thirty-one thousand, four hundred one".