220001234 has 8 divisors (see below), whose sum is σ = 340647168. Its totient is φ = 106452180.

The previous prime is 220001231. The next prime is 220001237. The reversal of 220001234 is 432100022.

It is an interprime number because it is at equal distance from previous prime (220001231) and next prime (220001237).

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 1774142 + ... + 1774265.

It is an arithmetic number, because the mean of its divisors is an integer number (42580896).

Almost surely, 2^220001234 is an apocalyptic number.

220001234 is a deficient number, since it is larger than the sum of its proper divisors (120645934).

220001234 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 220001234 = (103204202)₁₁.

220001234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548440.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220001234 is about 14832.4385722645. The cubic root of 220001234 is about 603.6822023783.

Adding to 220001234 its reverse (432100022), we get a palindrome (652101256).

The spelling of 220001234 in words is "two hundred twenty million, one thousand, two hundred thirty-four".