350942220 has 120 divisors (see below), whose sum is σ = 1165770144. Its totient is φ = 88072704.

The previous prime is 350942201. The next prime is 350942239. The reversal of 350942220 is 22249053.

350942220 is a `hidden beast` number, since 350 + 94 + 2 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (350942201) and next prime (350942239).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21169 + ... + 33911.

Almost surely, 2^350942220 is an apocalyptic number.

350942220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 350942220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582885072).

350942220 is an abundant number, since it is smaller than the sum of its proper divisors (814827924).

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

350942220 is a wasteful number, since it uses less digits than its factorization.

350942220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12781 (or 12770 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 350942220 is about 18733.4518976082. The cubic root of 350942220 is about 705.3616976057.

The spelling of 350942220 in words is "three hundred fifty million, nine hundred forty-two thousand, two hundred twenty".