7225036457 has 2 divisors, whose sum is σ = 7225036458. Its totient is φ = 7225036456.

The previous prime is 7225036433. The next prime is 7225036459. The reversal of 7225036457 is 7546305227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7005522601 + 219513856 = 83699^2 + 14816^2 .

It is a cyclic number.

It is not a de Polignac number, because 7225036457 - 2¹² = 7225032361 is a prime.

It is a super-3 number, since 3×7225036457³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 7225036459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7225036459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612518228 + 3612518229.

It is an arithmetic number, because the mean of its divisors is an integer number (3612518229).

Almost surely, 2^7225036457 is an apocalyptic number.

It is an amenable number.

7225036457 is a deficient number, since it is larger than the sum of its proper divisors (1).

7225036457 is an equidigital number, since it uses as much as digits as its factorization.

7225036457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 41.

The square root of 7225036457 is about 85000.2144526706. The cubic root of 7225036457 is about 1933.2143682215.

The spelling of 7225036457 in words is "seven billion, two hundred twenty-five million, thirty-six thousand, four hundred fifty-seven".