2222523409 has 2 divisors, whose sum is σ = 2222523410. Its totient is φ = 2222523408.

The previous prime is 2222523383. The next prime is 2222523493. The reversal of 2222523409 is 9043252222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2192580625 + 29942784 = 46825^2 + 5472^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222523409 - 2⁵ = 2222523377 is a prime.

It is a super-2 number, since 2×2222523409² = 9879220607105962562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2222523109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111261704 + 1111261705.

It is an arithmetic number, because the mean of its divisors is an integer number (1111261705).

Almost surely, 2^2222523409 is an apocalyptic number.

It is an amenable number.

2222523409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222523409 is an equidigital number, since it uses as much as digits as its factorization.

2222523409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2222523409 is about 47143.6465390619. The cubic root of 2222523409 is about 1305.0148330449.

The spelling of 2222523409 in words is "two billion, two hundred twenty-two million, five hundred twenty-three thousand, four hundred nine".