127022225 has 24 divisors (see below), whose sum is σ = 173227008. Its totient is φ = 91627200.

The previous prime is 127022209. The next prime is 127022227. The reversal of 127022225 is 522220721.

It is not a de Polignac number, because 127022225 - 2⁴ = 127022209 is a prime.

It is a super-2 number, since 2×127022225² = 32269291287901250, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 127022225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127022227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33107 + ... + 36743.

It is an arithmetic number, because the mean of its divisors is an integer number (7217792).

Almost surely, 2^127022225 is an apocalyptic number.

It is an amenable number.

127022225 is a deficient number, since it is larger than the sum of its proper divisors (46204783).

127022225 is a wasteful number, since it uses less digits than its factorization.

127022225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785 (or 3780 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 127022225 is about 11270.4137013687. The cubic root of 127022225 is about 502.6818892210.

Adding to 127022225 its reverse (522220721), we get a palindrome (649242946).

The spelling of 127022225 in words is "one hundred twenty-seven million, twenty-two thousand, two hundred twenty-five".