2223357509 has 2 divisors, whose sum is σ = 2223357510. Its totient is φ = 2223357508.

The previous prime is 2223357497. The next prime is 2223357557. The reversal of 2223357509 is 9057533222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1470952609 + 752404900 = 38353^2 + 27430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223357509 is a prime.

It is a super-2 number, since 2×2223357509² = 9886637225653370162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223357559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111678754 + 1111678755.

It is an arithmetic number, because the mean of its divisors is an integer number (1111678755).

Almost surely, 2^2223357509 is an apocalyptic number.

It is an amenable number.

2223357509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223357509 is an equidigital number, since it uses as much as digits as its factorization.

2223357509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 2223357509 is about 47152.4920762413. The cubic root of 2223357509 is about 1305.1780674305.

The spelling of 2223357509 in words is "two billion, two hundred twenty-three million, three hundred fifty-seven thousand, five hundred nine".