346909225 has 48 divisors (see below), whose sum is σ = 504061488. Its totient is φ = 234455040.

The previous prime is 346909193. The next prime is 346909229. The reversal of 346909225 is 522909643.

It can be written as a sum of positive squares in 24 ways, for example, as 66145689 + 280763536 = 8133^2 + 16756^2 .

It is not a de Polignac number, because 346909225 - 2⁵ = 346909193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346909229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203577 + ... + 205273.

It is an arithmetic number, because the mean of its divisors is an integer number (10501281).

Almost surely, 2^346909225 is an apocalyptic number.

It is an amenable number.

346909225 is a deficient number, since it is larger than the sum of its proper divisors (157152263).

346909225 is a wasteful number, since it uses less digits than its factorization.

346909225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 346909225 is about 18625.4993221658. The cubic root of 346909225 is about 702.6492972623.

It can be divided in two parts, 34 and 6909225, that multiplied together give a triangular number (234913650 = T₂₁₆₇₅).

The spelling of 346909225 in words is "three hundred forty-six million, nine hundred nine thousand, two hundred twenty-five".