340224551 has 2 divisors, whose sum is σ = 340224552. Its totient is φ = 340224550.

The previous prime is 340224539. The next prime is 340224569. The reversal of 340224551 is 155422043.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340224551 is a prime.

It is equal to p_18306170 and since 340224551 and 18306170 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340224551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340224151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170112275 + 170112276.

It is an arithmetic number, because the mean of its divisors is an integer number (170112276).

Almost surely, 2^340224551 is an apocalyptic number.

340224551 is a deficient number, since it is larger than the sum of its proper divisors (1).

340224551 is an equidigital number, since it uses as much as digits as its factorization.

340224551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 340224551 is about 18445.1769034618. The cubic root of 340224551 is about 698.1068239064.

Adding to 340224551 its reverse (155422043), we get a palindrome (495646594).

The spelling of 340224551 in words is "three hundred forty million, two hundred twenty-four thousand, five hundred fifty-one".