220277238 has 8 divisors (see below), whose sum is σ = 440554488. Its totient is φ = 73425744.

The previous prime is 220277219. The next prime is 220277249. The reversal of 220277238 is 832772022.

220277238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

220277238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 220277199 and 220277208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18356431 + ... + 18356442.

It is an arithmetic number, because the mean of its divisors is an integer number (55069311).

Almost surely, 2^220277238 is an apocalyptic number.

220277238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220277238 is a wasteful number, since it uses less digits than its factorization.

220277238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36712878.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 220277238 is about 14841.7397228223. The cubic root of 220277238 is about 603.9345480441.

The spelling of 220277238 in words is "two hundred twenty million, two hundred seventy-seven thousand, two hundred thirty-eight".