2212025409 has 32 divisors (see below), whose sum is σ = 3588710400. Its totient is φ = 1335476880.

The previous prime is 2212025383. The next prime is 2212025419. The reversal of 2212025409 is 9045202122.

It is a happy number.

It is not a de Polignac number, because 2212025409 - 2¹¹ = 2212023361 is a prime.

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 (2212025419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63952 + ... + 92270.

It is an arithmetic number, because the mean of its divisors is an integer number (112147200).

Almost surely, 2^2212025409 is an apocalyptic number.

It is an amenable number.

2212025409 is a deficient number, since it is larger than the sum of its proper divisors (1376684991).

2212025409 is a wasteful number, since it uses less digits than its factorization.

2212025409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28602 (or 28596 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2212025409 is about 47032.1741895907. The cubic root of 2212025409 is about 1302.9568610143.

The spelling of 2212025409 in words is "two billion, two hundred twelve million, twenty-five thousand, four hundred nine".