2202222225 has 48 divisors (see below), whose sum is σ = 4166019072. Its totient is φ = 1005552960.

The previous prime is 2202222223. The next prime is 2202222287. The reversal of 2202222225 is 5222222022.

It is not a de Polignac number, because 2202222225 - 2¹ = 2202222223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2202222223) 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, 577174 + ... + 580976.

It is an arithmetic number, because the mean of its divisors is an integer number (86792064).

Almost surely, 2^2202222225 is an apocalyptic number.

2202222225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2202222225 is a deficient number, since it is larger than the sum of its proper divisors (1963796847).

2202222225 is a wasteful number, since it uses less digits than its factorization.

2202222225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926 (or 4921 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2202222225 is about 46927.8406172711. The cubic root of 2202222225 is about 1301.0292096149.

Adding to 2202222225 its reverse (5222222022), we get a palindrome (7424444247).

The spelling of 2202222225 in words is "two billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-five".