345434022 has 72 divisors (see below), whose sum is σ = 816614760. Its totient is φ = 105235200.

The previous prime is 345433997. The next prime is 345434053. The reversal of 345434022 is 220434543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 287022 + ... + 288222.

Almost surely, 2^345434022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345434022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408307380).

345434022 is an abundant number, since it is smaller than the sum of its proper divisors (471180738).

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

345434022 is a wasteful number, since it uses less digits than its factorization.

345434022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 345434022 is about 18585.8554282551. The cubic root of 345434022 is about 701.6518959834.

Adding to 345434022 its reverse (220434543), we get a palindrome (565868565).

The spelling of 345434022 in words is "three hundred forty-five million, four hundred thirty-four thousand, twenty-two".