22828435225 has 6 divisors (see below), whose sum is σ = 28307259710. Its totient is φ = 18262748160.

The previous prime is 22828435207. The next prime is 22828435237. The reversal of 22828435225 is 52253482822.

It can be written as a sum of positive squares in 3 ways, for example, as 1391961481 + 21436473744 = 37309^2 + 146412^2 .

It is not a de Polignac number, because 22828435225 - 2²³ = 22820046617 is a prime.

It is a super-2 number, since 2×22828435225² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456568680 + ... + 456568729.

Almost surely, 2^22828435225 is an apocalyptic number.

22828435225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22828435225 is a deficient number, since it is larger than the sum of its proper divisors (5478824485).

22828435225 is an equidigital number, since it uses as much as digits as its factorization.

22828435225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913137419 (or 913137414 counting only the distinct ones).

The product of its digits is 614400, while the sum is 43.

The spelling of 22828435225 in words is "twenty-two billion, eight hundred twenty-eight million, four hundred thirty-five thousand, two hundred twenty-five".