220002111225 has 144 divisors (see below), whose sum is σ = 429596504064. Its totient is φ = 106977600000.

The previous prime is 220002111211. The next prime is 220002111233. The reversal of 220002111225 is 522111200022.

It is not a de Polignac number, because 220002111225 - 2⁵ = 220002111193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220002111198 and 220002111207.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 191139400 + ... + 191140550.

It is an arithmetic number, because the mean of its divisors is an integer number (2983309056).

Almost surely, 2^220002111225 is an apocalyptic number.

220002111225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220002111225 is a deficient number, since it is larger than the sum of its proper divisors (209594392839).

220002111225 is a wasteful number, since it uses less digits than its factorization.

220002111225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 220002111225 its reverse (522111200022), we get a palindrome (742113311247).

The spelling of 220002111225 in words is "two hundred twenty billion, two million, one hundred eleven thousand, two hundred twenty-five".