345422620 has 24 divisors (see below), whose sum is σ = 727423200. Its totient is φ = 137781312.

The previous prime is 345422611. The next prime is 345422629. The reversal of 345422620 is 26224543.

It is an interprime number because it is at equal distance from previous prime (345422611) and next prime (345422629).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345422629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16875 + ... + 31234.

It is an arithmetic number, because the mean of its divisors is an integer number (30309300).

Almost surely, 2^345422620 is an apocalyptic number.

It is an amenable number.

345422620 is an abundant number, since it is smaller than the sum of its proper divisors (382000580).

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

345422620 is a wasteful number, since it uses less digits than its factorization.

345422620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48477 (or 48475 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 345422620 is about 18585.5486870848. The cubic root of 345422620 is about 701.6441759149.

The spelling of 345422620 in words is "three hundred forty-five million, four hundred twenty-two thousand, six hundred twenty".