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1010044221 = 3336681407
BaseRepresentation
bin111100001101000…
…000110100111101
32121101120120012020
4330031000310331
54032032403341
6244120430353
734013143224
oct7415006475
92541516166
101010044221
1147916419a
122423183b9
13131345c04
1498203cbb
155da17566
hex3c340d3d

1010044221 has 4 divisors (see below), whose sum is σ = 1346725632. Its totient is φ = 673362812.

The previous prime is 1010044207. The next prime is 1010044253. The reversal of 1010044221 is 1224400101.

1010044221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010044221 - 29 = 1010043709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010044221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010044261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168340701 + ... + 168340706.

It is an arithmetic number, because the mean of its divisors is an integer number (336681408).

Almost surely, 21010044221 is an apocalyptic number.

It is an amenable number.

1010044221 is a deficient number, since it is larger than the sum of its proper divisors (336681411).

1010044221 is an equidigital number, since it uses as much as digits as its factorization.

1010044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336681410.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1010044221 is about 31781.1928819546. The cubic root of 1010044221 is about 1003.3369262045.

Adding to 1010044221 its reverse (1224400101), we get a palindrome (2234444322).

The spelling of 1010044221 in words is "one billion, ten million, forty-four thousand, two hundred twenty-one".

Divisors: 1 3 336681407 1010044221