348771220 has 72 divisors (see below), whose sum is σ = 896888160. Its totient is φ = 113279040.

The previous prime is 348771211. The next prime is 348771251. The reversal of 348771220 is 22177843.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9255 + ... + 27985.

It is an arithmetic number, because the mean of its divisors is an integer number (12456780).

Almost surely, 2^348771220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348771220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448444080).

348771220 is an abundant number, since it is smaller than the sum of its proper divisors (548116940).

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

348771220 is a wasteful number, since it uses less digits than its factorization.

348771220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18773 (or 18764 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 348771220 is about 18675.4175321464. The cubic root of 348771220 is about 703.9041842955.

The spelling of 348771220 in words is "three hundred forty-eight million, seven hundred seventy-one thousand, two hundred twenty".