345909722 has 8 divisors (see below), whose sum is σ = 518958900. Its totient is φ = 172923424.

The previous prime is 345909671. The next prime is 345909737. The reversal of 345909722 is 227909543.

It can be written as a sum of positive squares in 2 ways, for example, as 345550921 + 358801 = 18589^2 + 599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 345909722.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054 + ... + 26382.

Almost surely, 2^345909722 is an apocalyptic number.

345909722 is a deficient number, since it is larger than the sum of its proper divisors (173049178).

345909722 is a wasteful number, since it uses less digits than its factorization.

345909722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31440.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 345909722 is about 18598.6483917515. The cubic root of 345909722 is about 701.9738317586.

The spelling of 345909722 in words is "three hundred forty-five million, nine hundred nine thousand, seven hundred twenty-two".