2209144704 has 64 divisors (see below), whose sum is σ = 6319442640. Its totient is φ = 679735296.

The previous prime is 2209144669. The next prime is 2209144711. The reversal of 2209144704 is 4074419022.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2209144704² = 9760640646422495232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216277 + ... + 226260.

Almost surely, 2^2209144704 is an apocalyptic number.

2209144704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2209144704 is an abundant number, since it is smaller than the sum of its proper divisors (4110297936).

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

2209144704 is a wasteful number, since it uses less digits than its factorization.

2209144704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442567 (or 442555 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2209144704 is about 47001.5393790459. The cubic root of 2209144704 is about 1302.3910048136.

It can be divided in two parts, 22091 and 44704, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 2209144704 in words is "two billion, two hundred nine million, one hundred forty-four thousand, seven hundred four".