345166220 has 24 divisors (see below), whose sum is σ = 828399264. Its totient is φ = 118342656.

The previous prime is 345166193. The next prime is 345166231. The reversal of 345166220 is 22661543.

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, 1232597 + ... + 1232876.

It is an arithmetic number, because the mean of its divisors is an integer number (34516636).

Almost surely, 2^345166220 is an apocalyptic number.

It is an amenable number.

345166220 is an abundant number, since it is smaller than the sum of its proper divisors (483233044).

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

345166220 is a wasteful number, since it uses less digits than its factorization.

345166220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465489 (or 2465487 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 345166220 is about 18578.6495741752. The cubic root of 345166220 is about 701.4705276678.

The spelling of 345166220 in words is "three hundred forty-five million, one hundred sixty-six thousand, two hundred twenty".