225502250211 has 48 divisors (see below), whose sum is σ = 397658448000. Its totient is φ = 125861689296.

The previous prime is 225502250189. The next prime is 225502250251. The reversal of 225502250211 is 112052205522.

It is a happy number.

225502250211 is a `hidden beast` number, since 22 + 550 + 22 + 50 + 21 + 1 = 666.

It is not a de Polignac number, because 225502250211 - 2⁵ = 225502250179 is a prime.

It is a super-4 number, since 4×225502250211⁴ (a number of 47 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (225502250251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1925061 + ... + 2038838.

It is an arithmetic number, because the mean of its divisors is an integer number (8284551000).

Almost surely, 2^225502250211 is an apocalyptic number.

225502250211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

225502250211 is a deficient number, since it is larger than the sum of its proper divisors (172156197789).

225502250211 is a wasteful number, since it uses less digits than its factorization.

225502250211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963965 (or 3963952 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 225502250211 its reverse (112052205522), we get a palindrome (337554455733).

The spelling of 225502250211 in words is "two hundred twenty-five billion, five hundred two million, two hundred fifty thousand, two hundred eleven".