22245535535225 has 6 divisors (see below), whose sum is σ = 27584464063710. Its totient is φ = 17796428428160.

The previous prime is 22245535535219. The next prime is 22245535535261. The reversal of 22245535535225 is 52253553554222.

It can be written as a sum of positive squares in 3 ways, for example, as 2404025442064 + 19841510093161 = 1550492^2 + 4454381^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22245535535225 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444910710680 + ... + 444910710729.

It is an arithmetic number, because the mean of its divisors is an integer number (4597410677285).

Almost surely, 2^{22245535535225} is an apocalyptic number.

22245535535225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22245535535225 is a deficient number, since it is larger than the sum of its proper divisors (5338928528485).

22245535535225 is an equidigital number, since it uses as much as digits as its factorization.

22245535535225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889821421419 (or 889821421414 counting only the distinct ones).

The product of its digits is 18000000, while the sum is 50.

The spelling of 22245535535225 in words is "twenty-two trillion, two hundred forty-five billion, five hundred thirty-five million, five hundred thirty-five thousand, two hundred twenty-five".