22446565245 has 24 divisors (see below), whose sum is σ = 41900256216. Its totient is φ = 11050616448.

The previous prime is 22446565231. The next prime is 22446565277. The reversal of 22446565245 is 54256564422.

22446565245 is a `hidden beast` number, since 2 + 2 + 4 + 46 + 565 + 2 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 74183769 + 22372381476 = 8613^2 + 149574^2 .

It is not a de Polignac number, because 22446565245 - 2⁹ = 22446564733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22446565245.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 19184514 + ... + 19185683.

It is an arithmetic number, because the mean of its divisors is an integer number (1745844009).

Almost surely, 2^22446565245 is an apocalyptic number.

It is an amenable number.

22446565245 is a deficient number, since it is larger than the sum of its proper divisors (19453690971).

22446565245 is a wasteful number, since it uses less digits than its factorization.

22446565245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38370221 (or 38370218 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

The spelling of 22446565245 in words is "twenty-two billion, four hundred forty-six million, five hundred sixty-five thousand, two hundred forty-five".