340022497 has 2 divisors, whose sum is σ = 340022498. Its totient is φ = 340022496.

The previous prime is 340022483. The next prime is 340022513. The reversal of 340022497 is 794220043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205091041 + 134931456 = 14321^2 + 11616^2 .

It is an emirp because it is prime and its reverse (794220043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340022497 - 2¹⁵ = 339989729 is a prime.

It is a super-2 number, since 2×340022497² = 231230596932230018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340022407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170011248 + 170011249.

It is an arithmetic number, because the mean of its divisors is an integer number (170011249).

Almost surely, 2^340022497 is an apocalyptic number.

It is an amenable number.

340022497 is a deficient number, since it is larger than the sum of its proper divisors (1).

340022497 is an equidigital number, since it uses as much as digits as its factorization.

340022497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 340022497 is about 18439.6989400586. The cubic root of 340022497 is about 697.9685983251.

The spelling of 340022497 in words is "three hundred forty million, twenty-two thousand, four hundred ninety-seven".