1822625225 has 12 divisors (see below), whose sum is σ = 2358319296. Its totient is φ = 1394704080.

The previous prime is 1822625221. The next prime is 1822625243. The reversal of 1822625225 is 5225262281.

It is not a de Polignac number, because 1822625225 - 2² = 1822625221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1822625221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1584317 + ... + 1585466.

It is an arithmetic number, because the mean of its divisors is an integer number (196526608).

Almost surely, 2^1822625225 is an apocalyptic number.

It is an amenable number.

1822625225 is a deficient number, since it is larger than the sum of its proper divisors (535694071).

1822625225 is a wasteful number, since it uses less digits than its factorization.

1822625225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169816 (or 3169811 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 1822625225 is about 42692.2150397470. The cubic root of 1822625225 is about 1221.5159032011.

The spelling of 1822625225 in words is "one billion, eight hundred twenty-two million, six hundred twenty-five thousand, two hundred twenty-five".