340422437 has 2 divisors, whose sum is σ = 340422438. Its totient is φ = 340422436.

The previous prime is 340422427. The next prime is 340422451. The reversal of 340422437 is 734224043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170406916 + 170015521 = 13054^2 + 13039^2 .

It is a cyclic number.

It is not a de Polignac number, because 340422437 - 2⁴ = 340422421 is a prime.

It is a super-2 number, since 2×340422437² = 231774871226037938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340422427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170211218 + 170211219.

It is an arithmetic number, because the mean of its divisors is an integer number (170211219).

Almost surely, 2^340422437 is an apocalyptic number.

It is an amenable number.

340422437 is a deficient number, since it is larger than the sum of its proper divisors (1).

340422437 is an equidigital number, since it uses as much as digits as its factorization.

340422437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 340422437 is about 18450.5402901920. The cubic root of 340422437 is about 698.2421451149.

The spelling of 340422437 in words is "three hundred forty million, four hundred twenty-two thousand, four hundred thirty-seven".