50222225 has 24 divisors (see below), whose sum is σ = 68418240. Its totient is φ = 36400320.

The previous prime is 50222203. The next prime is 50222239. The reversal of 50222225 is 52222205.

It is a happy number.

It is not a de Polignac number, because 50222225 - 2¹⁰ = 50221201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50222197 and 50222206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8627 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (2850760).

Almost surely, 2^50222225 is an apocalyptic number.

It is an amenable number.

50222225 is a deficient number, since it is larger than the sum of its proper divisors (18196015).

50222225 is a wasteful number, since it uses less digits than its factorization.

50222225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 50222225 is about 7086.7640711399. The cubic root of 50222225 is about 368.9481325344.

Subtracting from 50222225 its sum of digits (20), we obtain a palindrome (50222205).

The spelling of 50222225 in words is "fifty million, two hundred twenty-two thousand, two hundred twenty-five".