220551234 has 32 divisors (see below), whose sum is σ = 474719616. Its totient is φ = 68056320.

The previous prime is 220551229. The next prime is 220551269. The reversal of 220551234 is 432155022.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 11502 + ... + 23945.

It is an arithmetic number, because the mean of its divisors is an integer number (14834988).

Almost surely, 2^220551234 is an apocalyptic number.

220551234 is an abundant number, since it is smaller than the sum of its proper divisors (254168382).

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

220551234 is a wasteful number, since it uses less digits than its factorization.

220551234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35530.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 220551234 is about 14850.9674432341. The cubic root of 220551234 is about 604.1848494208.

The spelling of 220551234 in words is "two hundred twenty million, five hundred fifty-one thousand, two hundred thirty-four".