346472220 has 96 divisors (see below), whose sum is σ = 1025498880. Its totient is φ = 87160320.

The previous prime is 346472179. The next prime is 346472227. The reversal of 346472220 is 22274643.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346472227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356335 + ... + 357305.

It is an arithmetic number, because the mean of its divisors is an integer number (10682280).

Almost surely, 2^346472220 is an apocalyptic number.

346472220 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 346472220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512749440).

346472220 is an abundant number, since it is smaller than the sum of its proper divisors (679026660).

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

346472220 is a wasteful number, since it uses less digits than its factorization.

346472220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 346472220 is about 18613.7642619649. The cubic root of 346472220 is about 702.3541285166.

The spelling of 346472220 in words is "three hundred forty-six million, four hundred seventy-two thousand, two hundred twenty".