340222537 has 2 divisors, whose sum is σ = 340222538. Its totient is φ = 340222536.

The previous prime is 340222507. The next prime is 340222543. The reversal of 340222537 is 735222043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255232576 + 84989961 = 15976^2 + 9219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340222537 is a prime.

It is not a weakly prime, because it can be changed into another prime (340222507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170111268 + 170111269.

It is an arithmetic number, because the mean of its divisors is an integer number (170111269).

Almost surely, 2^340222537 is an apocalyptic number.

It is an amenable number.

340222537 is a deficient number, since it is larger than the sum of its proper divisors (1).

340222537 is an equidigital number, since it uses as much as digits as its factorization.

340222537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 340222537 is about 18445.1223091635. The cubic root of 340222537 is about 698.1054463946.

The spelling of 340222537 in words is "three hundred forty million, two hundred twenty-two thousand, five hundred thirty-seven".