255219220 has 24 divisors (see below), whose sum is σ = 536868864. Its totient is φ = 101914656.

The previous prime is 255219193. The next prime is 255219313. The reversal of 255219220 is 22912552.

255219220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629 + ... + 22651.

It is an arithmetic number, because the mean of its divisors is an integer number (22369536).

Almost surely, 2^255219220 is an apocalyptic number.

255219220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255219220 is an abundant number, since it is smaller than the sum of its proper divisors (281649644).

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

255219220 is a wasteful number, since it uses less digits than its factorization.

255219220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21639 (or 21637 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 255219220 is about 15975.5819925285. The cubic root of 255219220 is about 634.3142368455.

The spelling of 255219220 in words is "two hundred fifty-five million, two hundred nineteen thousand, two hundred twenty".