Search a number
-
+
222023201021 = 2926879284831
BaseRepresentation
bin1100111011000110011…
…1010011000011111101
3210020002011211012210022
43032301213103003331
512114200414413041
6245555051421525
722016641033106
oct3166147230375
9706064735708
10222023201021
1186183344086
12370431548a5
1317c23c0557b
14aa62d813ad
155b96b3724b
hex33b19d30fd

222023201021 has 8 divisors (see below), whose sum is σ = 229688524800. Its totient is φ = 214358500720.

The previous prime is 222023200969. The next prime is 222023201047. The reversal of 222023201021 is 120102320222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222023201021 - 210 = 222023199997 is a prime.

It is a super-2 number, since 2×2220232010212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222023281021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637076 + ... + 921906.

It is an arithmetic number, because the mean of its divisors is an integer number (28711065600).

Almost surely, 2222023201021 is an apocalyptic number.

It is an amenable number.

222023201021 is a deficient number, since it is larger than the sum of its proper divisors (7665323779).

222023201021 is a wasteful number, since it uses less digits than its factorization.

222023201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311739.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222023201021 its reverse (120102320222), we get a palindrome (342125521243).

It can be divided in two parts, 22202 and 3201021, that added together give a palindrome (3223223).

The spelling of 222023201021 in words is "two hundred twenty-two billion, twenty-three million, two hundred one thousand, twenty-one".

Divisors: 1 29 26879 284831 779491 8260099 7655972449 222023201021