220248906 has 16 divisors (see below), whose sum is σ = 466409664. Its totient is φ = 69097664.

The previous prime is 220248877. The next prime is 220248911. The reversal of 220248906 is 609842022.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1079550 + ... + 1079753.

It is an arithmetic number, because the mean of its divisors is an integer number (29150604).

Almost surely, 2^220248906 is an apocalyptic number.

220248906 is an abundant number, since it is smaller than the sum of its proper divisors (246160758).

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

220248906 is a wasteful number, since it uses less digits than its factorization.

220248906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159325.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 220248906 is about 14840.7852218136. The cubic root of 220248906 is about 603.9086543000.

The spelling of 220248906 in words is "two hundred twenty million, two hundred forty-eight thousand, nine hundred six".