223221801 has 16 divisors (see below), whose sum is σ = 324937728. Its totient is φ = 135181200.

The previous prime is 223221769. The next prime is 223221811. The reversal of 223221801 is 108122322.

It is a happy number.

It is not a de Polignac number, because 223221801 - 2⁵ = 223221769 is a prime.

It is a super-3 number, since 3×223221801³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223221811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74800 + ... + 77726.

It is an arithmetic number, because the mean of its divisors is an integer number (20308608).

Almost surely, 2^223221801 is an apocalyptic number.

It is an amenable number.

223221801 is a deficient number, since it is larger than the sum of its proper divisors (101715927).

223221801 is a wasteful number, since it uses less digits than its factorization.

223221801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 223221801 is about 14940.6091241288. The cubic root of 223221801 is about 606.6136835681.

The spelling of 223221801 in words is "two hundred twenty-three million, two hundred twenty-one thousand, eight hundred one".