43312228225 has 36 divisors (see below), whose sum is σ = 63228546864. Its totient is φ = 29341915680.

The previous prime is 43312228213. The next prime is 43312228229. The reversal of 43312228225 is 52282221334.

It is not a de Polignac number, because 43312228225 - 2⁷ = 43312228097 is a prime.

It is a super-2 number, since 2×43312228225² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43312228229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 111319 + ... + 314668.

It is an arithmetic number, because the mean of its divisors is an integer number (1756348524).

Almost surely, 2^43312228225 is an apocalyptic number.

It is an amenable number.

43312228225 is a deficient number, since it is larger than the sum of its proper divisors (19916318639).

43312228225 is a wasteful number, since it uses less digits than its factorization.

43312228225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426094 (or 426082 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

Adding to 43312228225 its reverse (52282221334), we get a palindrome (95594449559).

The spelling of 43312228225 in words is "forty-three billion, three hundred twelve million, two hundred twenty-eight thousand, two hundred twenty-five".