345323522 has 4 divisors (see below), whose sum is σ = 517985286. Its totient is φ = 172661760.

The previous prime is 345323521. The next prime is 345323543. The reversal of 345323522 is 225323543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225323543 = 311 ⋅724513.

It can be written as a sum of positive squares in only one way, i.e., 336685801 + 8637721 = 18349^2 + 2939^2 .

It is not an unprimeable number, because it can be changed into a prime (345323521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86330879 + ... + 86330882.

Almost surely, 2^345323522 is an apocalyptic number.

345323522 is a deficient number, since it is larger than the sum of its proper divisors (172661764).

345323522 is a wasteful number, since it uses less digits than its factorization.

345323522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172661763.

The product of its digits is 21600, while the sum is 29.

The square root of 345323522 is about 18582.8824997631. The cubic root of 345323522 is about 701.5770714648.

The spelling of 345323522 in words is "three hundred forty-five million, three hundred twenty-three thousand, five hundred twenty-two".