Search a number
-
+
22231120001 = 117118984731
BaseRepresentation
bin10100101101000100…
…111111100010000001
32010101022202220111212
4110231010333202001
5331012131320001
614113550015505
71414623254636
oct245504774201
963338686455
1022231120001
119478984552
1243851a7595
1321339b3c9c
14110c74418d
158a1a837bb
hex52d13f881

22231120001 has 4 divisors (see below), whose sum is σ = 22250105904. Its totient is φ = 22212134100.

The previous prime is 22231119973. The next prime is 22231120019. The reversal of 22231120001 is 10002113222.

It is a happy number.

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 22231120001 - 214 = 22231103617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22231120801) 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, 9491195 + ... + 9493536.

It is an arithmetic number, because the mean of its divisors is an integer number (5562526476).

Almost surely, 222231120001 is an apocalyptic number.

It is an amenable number.

22231120001 is a deficient number, since it is larger than the sum of its proper divisors (18985903).

22231120001 is a wasteful number, since it uses less digits than its factorization.

22231120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18985902.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22231120001 its reverse (10002113222), we get a palindrome (32233233223).

The spelling of 22231120001 in words is "twenty-two billion, two hundred thirty-one million, one hundred twenty thousand, one".

Divisors: 1 1171 18984731 22231120001