345972422 has 32 divisors (see below), whose sum is σ = 543674208. Its totient is φ = 164975616.

The previous prime is 345972413. The next prime is 345972427. The reversal of 345972422 is 224279543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345972427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126793 + ... + 1127099.

It is an arithmetic number, because the mean of its divisors is an integer number (16989819).

Almost surely, 2^345972422 is an apocalyptic number.

345972422 is a deficient number, since it is larger than the sum of its proper divisors (197701786).

345972422 is a wasteful number, since it uses less digits than its factorization.

345972422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its digits is 120960, while the sum is 38.

The square root of 345972422 is about 18600.3339217338. Note that the first 3 decimals coincide. The cubic root of 345972422 is about 702.0162427283.

The spelling of 345972422 in words is "three hundred forty-five million, nine hundred seventy-two thousand, four hundred twenty-two".