445322021225 has 12 divisors (see below), whose sum is σ = 565041152016. Its totient is φ = 347972555280.

The previous prime is 445322021203. The next prime is 445322021227. The reversal of 445322021225 is 522120223544.

It is not a de Polignac number, because 445322021225 - 2²⁴ = 445305244009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445322021191 and 445322021200.

It is not an unprimeable number, because it can be changed into a prime (445322021227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207125447 + ... + 207127596.

It is an arithmetic number, because the mean of its divisors is an integer number (47086762668).

Almost surely, 2^445322021225 is an apocalyptic number.

It is an amenable number.

445322021225 is a deficient number, since it is larger than the sum of its proper divisors (119719130791).

445322021225 is a wasteful number, since it uses less digits than its factorization.

445322021225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414253096 (or 414253091 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 445322021225 its reverse (522120223544), we get a palindrome (967442244769).

The spelling of 445322021225 in words is "four hundred forty-five billion, three hundred twenty-two million, twenty-one thousand, two hundred twenty-five".