101022225 has 24 divisors (see below), whose sum is σ = 172786560. Its totient is φ = 52019520.

The previous prime is 101022203. The next prime is 101022253. The reversal of 101022225 is 522220101.

It is not a de Polignac number, because 101022225 - 2⁸ = 101021969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21049 + ... + 25398.

It is an arithmetic number, because the mean of its divisors is an integer number (7199440).

Almost surely, 2^101022225 is an apocalyptic number.

101022225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101022225 is a deficient number, since it is larger than the sum of its proper divisors (71764335).

101022225 is a wasteful number, since it uses less digits than its factorization.

101022225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46489 (or 46484 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 101022225 is about 10050.9812953761. The cubic root of 101022225 is about 465.7351073630.

Adding to 101022225 its reverse (522220101), we get a palindrome (623242326).

The spelling of 101022225 in words is "one hundred one million, twenty-two thousand, two hundred twenty-five".