7422450551 has 2 divisors, whose sum is σ = 7422450552. Its totient is φ = 7422450550.

The previous prime is 7422450533. The next prime is 7422450571. The reversal of 7422450551 is 1550542247.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7422450551 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7422450571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711225275 + 3711225276.

It is an arithmetic number, because the mean of its divisors is an integer number (3711225276).

Almost surely, 2^7422450551 is an apocalyptic number.

7422450551 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422450551 is an equidigital number, since it uses as much as digits as its factorization.

7422450551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 35.

The square root of 7422450551 is about 86153.6450244562. The cubic root of 7422450551 is about 1950.6638590892.

Adding to 7422450551 its reverse (1550542247), we get a palindrome (8972992798).

The spelling of 7422450551 in words is "seven billion, four hundred twenty-two million, four hundred fifty thousand, five hundred fifty-one".