220242234 has 16 divisors (see below), whose sum is σ = 440631072. Its totient is φ = 73389648.

The previous prime is 220242223. The next prime is 220242247. The reversal of 220242234 is 432242022.

It is a super-3 number, since 3×220242234³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220242234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28557 + ... + 35439.

It is an arithmetic number, because the mean of its divisors is an integer number (27539442).

Almost surely, 2^220242234 is an apocalyptic number.

220242234 is an abundant number, since it is smaller than the sum of its proper divisors (220388838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220242234 is a wasteful number, since it uses less digits than its factorization.

220242234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12221.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 220242234 is about 14840.5604341615. The cubic root of 220242234 is about 603.9025561703.

Adding to 220242234 its reverse (432242022), we get a palindrome (652484256).

It can be divided in two parts, 220242 and 234, that multiplied together give a triangular number (51536628 = T₁₀₁₅₂).

The spelling of 220242234 in words is "two hundred twenty million, two hundred forty-two thousand, two hundred thirty-four".