244166220 has 72 divisors (see below), whose sum is σ = 741948480. Its totient is φ = 64995840.

The previous prime is 244166179. The next prime is 244166233. The reversal of 244166220 is 22661442.

244166220 is a `hidden beast` number, since 24 + 4 + 16 + 622 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163236 + ... + 164724.

It is an arithmetic number, because the mean of its divisors is an integer number (10304840).

Almost surely, 2^244166220 is an apocalyptic number.

244166220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244166220 is an abundant number, since it is smaller than the sum of its proper divisors (497782260).

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

244166220 is a wasteful number, since it uses less digits than its factorization.

244166220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 244166220 is about 15625.8190185347. The cubic root of 244166220 is about 625.0218403035.

It can be divided in two parts, 244 and 166220, that added together give a square (166464 = 408²).

The spelling of 244166220 in words is "two hundred forty-four million, one hundred sixty-six thousand, two hundred twenty".