7226012399 has 2 divisors, whose sum is σ = 7226012400. Its totient is φ = 7226012398.

The previous prime is 7226012371. The next prime is 7226012411. The reversal of 7226012399 is 9932106227.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7226012399 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 (7226012309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3613006199 + 3613006200.

It is an arithmetic number, because the mean of its divisors is an integer number (3613006200).

Almost surely, 2^7226012399 is an apocalyptic number.

7226012399 is a deficient number, since it is larger than the sum of its proper divisors (1).

7226012399 is an equidigital number, since it uses as much as digits as its factorization.

7226012399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 7226012399 is about 85005.9550796296. The cubic root of 7226012399 is about 1933.3014090811.

The spelling of 7226012399 in words is "seven billion, two hundred twenty-six million, twelve thousand, three hundred ninety-nine".