1345222601 has 2 divisors, whose sum is σ = 1345222602. Its totient is φ = 1345222600.

The previous prime is 1345222573. The next prime is 1345222603. The reversal of 1345222601 is 1062225431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1054690576 + 290532025 = 32476^2 + 17045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345222601 - 2³⁰ = 271480777 is a prime.

It is a Sophie Germain prime.

Together with 1345222603, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1345222603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672611300 + 672611301.

It is an arithmetic number, because the mean of its divisors is an integer number (672611301).

Almost surely, 2^1345222601 is an apocalyptic number.

It is an amenable number.

1345222601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345222601 is an equidigital number, since it uses as much as digits as its factorization.

1345222601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1345222601 is about 36677.2763574396. The cubic root of 1345222601 is about 1103.9041984471.

The spelling of 1345222601 in words is "one billion, three hundred forty-five million, two hundred twenty-two thousand, six hundred one".