4202220242225 has 12 divisors (see below), whose sum is σ = 5223747509580. Its totient is φ = 3353392704000.

The previous prime is 4202220242191. The next prime is 4202220242243. The reversal of 4202220242225 is 5222420222024.

4202220242225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 43426808881 + 4158793433344 = 208391^2 + 2039312^2 .

It is not a de Polignac number, because 4202220242225 - 2⁸ = 4202220241969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209577020 + ... + 209597069.

It is an arithmetic number, because the mean of its divisors is an integer number (435312292465).

Almost surely, 2^{4202220242225} is an apocalyptic number.

It is an amenable number.

4202220242225 is a deficient number, since it is larger than the sum of its proper divisors (1021527267355).

4202220242225 is a wasteful number, since it uses less digits than its factorization.

4202220242225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419174500 (or 419174495 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 4202220242225 its reverse (5222420222024), we get a palindrome (9424640464249).

The spelling of 4202220242225 in words is "four trillion, two hundred two billion, two hundred twenty million, two hundred forty-two thousand, two hundred twenty-five".