25222201000001 has 16 divisors (see below), whose sum is σ = 26715362727168. Its totient is φ = 23730096633600.

The previous prime is 25222200999991. The next prime is 25222201000067. The reversal of 25222201000001 is 10000010222252.

It is a cyclic number.

It is not a de Polignac number, because 25222201000001 - 2¹⁰ = 25222200998977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25222201000091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811222466 + ... + 811253556.

It is an arithmetic number, because the mean of its divisors is an integer number (1669710170448).

Almost surely, 2^{25222201000001} is an apocalyptic number.

It is an amenable number.

25222201000001 is a deficient number, since it is larger than the sum of its proper divisors (1493161727167).

25222201000001 is a wasteful number, since it uses less digits than its factorization.

25222201000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46552.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 25222201000001 its reverse (10000010222252), we get a palindrome (35222211222253).

The spelling of 25222201000001 in words is "twenty-five trillion, two hundred twenty-two billion, two hundred one million, one", and thus it is an aban number.