7241222551 has 2 divisors, whose sum is σ = 7241222552. Its totient is φ = 7241222550.

The previous prime is 7241222537. The next prime is 7241222561. The reversal of 7241222551 is 1552221427.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7241222551 - 2⁹ = 7241222039 is a prime.

It is a super-3 number, since 3×7241222551³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7241222531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3620611275 + 3620611276.

It is an arithmetic number, because the mean of its divisors is an integer number (3620611276).

Almost surely, 2^7241222551 is an apocalyptic number.

7241222551 is a deficient number, since it is larger than the sum of its proper divisors (1).

7241222551 is an equidigital number, since it uses as much as digits as its factorization.

7241222551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 31.

The square root of 7241222551 is about 85095.3732643556. The cubic root of 7241222551 is about 1934.6569377143.

Adding to 7241222551 its reverse (1552221427), we get a palindrome (8793443978).

The spelling of 7241222551 in words is "seven billion, two hundred forty-one million, two hundred twenty-two thousand, five hundred fifty-one".