1632219225 has 192 divisors, whose sum is σ = 3593103360. Its totient is φ = 634521600.

The previous prime is 1632219167. The next prime is 1632219229. The reversal of 1632219225 is 5229122361.

It is not a de Polignac number, because 1632219225 - 2⁸ = 1632218969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1632219229) 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 191 ways as a sum of consecutive naturals, for example, 5316522 + ... + 5316828.

It is an arithmetic number, because the mean of its divisors is an integer number (18714080).

Almost surely, 2^1632219225 is an apocalyptic number.

1632219225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1632219225 is an abundant number, since it is smaller than the sum of its proper divisors (1960884135).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1632219225 is a wasteful number, since it uses less digits than its factorization.

1632219225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 395 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 1632219225 is about 40400.7329760241. The cubic root of 1632219225 is about 1177.4057785869.

The spelling of 1632219225 in words is "one billion, six hundred thirty-two million, two hundred nineteen thousand, two hundred twenty-five".