225522642236156 has 12 divisors (see below), whose sum is σ = 395135022755760. Its totient is φ = 112626921448800.

The previous prime is 225522642236107. The next prime is 225522642236159. The reversal of 225522642236156 is 651632246225522.

It is a super-2 number, since 2×225522642236156² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225522642236098 and 225522642236107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225522642236159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33599913545 + ... + 33599920256.

It is an arithmetic number, because the mean of its divisors is an integer number (32927918562980).

Almost surely, 2^{225522642236156} is an apocalyptic number.

It is an amenable number.

225522642236156 is a deficient number, since it is larger than the sum of its proper divisors (169612380519604).

225522642236156 is a wasteful number, since it uses less digits than its factorization.

225522642236156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67199834644 (or 67199834642 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 53.

The spelling of 225522642236156 in words is "two hundred twenty-five trillion, five hundred twenty-two billion, six hundred forty-two million, two hundred thirty-six thousand, one hundred fifty-six".