220867044 has 12 divisors (see below), whose sum is σ = 515356464. Its totient is φ = 73622344.

The previous prime is 220867007. The next prime is 220867057. The reversal of 220867044 is 440768022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×220867044² = 97564502250595872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220866996 and 220867014.

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 3 ways as a sum of consecutive naturals, for example, 9202782 + ... + 9202805.

It is an arithmetic number, because the mean of its divisors is an integer number (42946372).

Almost surely, 2^220867044 is an apocalyptic number.

It is an amenable number.

220867044 is an abundant number, since it is smaller than the sum of its proper divisors (294489420).

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

220867044 is a wasteful number, since it uses less digits than its factorization.

220867044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18405594 (or 18405592 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 220867044 is about 14861.5962803462. The cubic root of 220867044 is about 604.4730917685.

The spelling of 220867044 in words is "two hundred twenty million, eight hundred sixty-seven thousand, forty-four".