220001233 has 8 divisors (see below), whose sum is σ = 243070848. Its totient is φ = 198057024.

The previous prime is 220001231. The next prime is 220001237. The reversal of 220001233 is 332100022.

It is a happy number.

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 220001233 - 2¹ = 220001231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220001231) 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, 280941 + ... + 281722.

It is an arithmetic number, because the mean of its divisors is an integer number (30383856).

Almost surely, 2^220001233 is an apocalyptic number.

220001233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

220001233 is a deficient number, since it is larger than the sum of its proper divisors (23069615).

220001233 is a wasteful number, since it uses less digits than its factorization.

220001233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562703.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 220001233 is about 14832.4385385546. The cubic root of 220001233 is about 603.6822014637.

Adding to 220001233 its reverse (332100022), we get a palindrome (552101255).

The spelling of 220001233 in words is "two hundred twenty million, one thousand, two hundred thirty-three".