345022001 has 2 divisors, whose sum is σ = 345022002. Its totient is φ = 345022000.

The previous prime is 345021991. The next prime is 345022009. The reversal of 345022001 is 100220543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267159025 + 77862976 = 16345^2 + 8824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345022001 is a prime.

It is not a weakly prime, because it can be changed into another prime (345022009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172511000 + 172511001.

It is an arithmetic number, because the mean of its divisors is an integer number (172511001).

Almost surely, 2^345022001 is an apocalyptic number.

It is an amenable number.

345022001 is a deficient number, since it is larger than the sum of its proper divisors (1).

345022001 is an equidigital number, since it uses as much as digits as its factorization.

345022001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 345022001 is about 18574.7678585763. The cubic root of 345022001 is about 701.3728168015.

Adding to 345022001 its reverse (100220543), we get a palindrome (445242544).

The spelling of 345022001 in words is "three hundred forty-five million, twenty-two thousand, one".