345220622 has 4 divisors (see below), whose sum is σ = 517830936. Its totient is φ = 172610310.

The previous prime is 345220621. The next prime is 345220637. The reversal of 345220622 is 226022543.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 345220591 and 345220600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345220621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86305154 + ... + 86305157.

It is an arithmetic number, because the mean of its divisors is an integer number (129457734).

Almost surely, 2^345220622 is an apocalyptic number.

345220622 is a deficient number, since it is larger than the sum of its proper divisors (172610314).

345220622 is a wasteful number, since it uses less digits than its factorization.

345220622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172610313.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 345220622 is about 18580.1136164449. The cubic root of 345220622 is about 701.5073788936.

The spelling of 345220622 in words is "three hundred forty-five million, two hundred twenty thousand, six hundred twenty-two".