4022013121225 has 24 divisors (see below), whose sum is σ = 5491534421088. Its totient is φ = 2897763043200.

The previous prime is 4022013121211. The next prime is 4022013121277. The reversal of 4022013121225 is 5221213102204.

4022013121225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4022013121225 - 2¹¹ = 4022013119177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4022013121225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68314044 + ... + 68372893.

It is an arithmetic number, because the mean of its divisors is an integer number (228813934212).

Almost surely, 2^{4022013121225} is an apocalyptic number.

It is an amenable number.

4022013121225 is a deficient number, since it is larger than the sum of its proper divisors (1469521299863).

4022013121225 is a wasteful number, since it uses less digits than its factorization.

4022013121225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136687065 (or 136687060 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 4022013121225 its reverse (5221213102204), we get a palindrome (9243226223429).

The spelling of 4022013121225 in words is "four trillion, twenty-two billion, thirteen million, one hundred twenty-one thousand, two hundred twenty-five".