Search a number
-
+
22220101201 = 31013716477
BaseRepresentation
bin10100101100011010…
…111101011001010001
32010100120001002120011
4110230122331121101
5331001321214301
614112513514521
71414430513104
oct245432753121
963316032504
1022220101201
119472738a01
124381572a41
13213162679c
14110b0b673b
158a0b08a51
hex52c6bd651

22220101201 has 4 divisors (see below), whose sum is σ = 22220848692. Its totient is φ = 22219353712.

The previous prime is 22220101193. The next prime is 22220101207. The reversal of 22220101201 is 10210102222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6262348225 + 15957752976 = 79135^2 + 126324^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220101201 - 23 = 22220101193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220101207) 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, 327226 + ... + 389251.

It is an arithmetic number, because the mean of its divisors is an integer number (5555212173).

Almost surely, 222220101201 is an apocalyptic number.

It is an amenable number.

22220101201 is a deficient number, since it is larger than the sum of its proper divisors (747491).

22220101201 is an equidigital number, since it uses as much as digits as its factorization.

22220101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747490.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22220101201 its reverse (10210102222), we get a palindrome (32430203423).

The spelling of 22220101201 in words is "twenty-two billion, two hundred twenty million, one hundred one thousand, two hundred one".

Divisors: 1 31013 716477 22220101201