22415256433 has 4 divisors (see below), whose sum is σ = 23188196340. Its totient is φ = 21642316528.

The previous prime is 22415256407. The next prime is 22415256463. The reversal of 22415256433 is 33465251422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7278137344 + 15137119089 = 85312^2 + 123033^2 .

It is a cyclic number.

It is not a de Polignac number, because 22415256433 - 2⁵ = 22415256401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22415256392 and 22415256401.

It is not an unprimeable number, because it can be changed into a prime (22415256463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386469910 + ... + 386469967.

It is an arithmetic number, because the mean of its divisors is an integer number (5797049085).

Almost surely, 2^22415256433 is an apocalyptic number.

It is an amenable number.

22415256433 is a deficient number, since it is larger than the sum of its proper divisors (772939907).

22415256433 is an equidigital number, since it uses as much as digits as its factorization.

22415256433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772939906.

The product of its digits is 172800, while the sum is 37.

The spelling of 22415256433 in words is "twenty-two billion, four hundred fifteen million, two hundred fifty-six thousand, four hundred thirty-three".