Search a number
-
+
22122220120001 = 312287312033233
BaseRepresentation
bin1010000011110101110110…
…00100100110011111000001
32220022212022120000202012222
411001322323010212133001
510344422301322320001
6115014450240300425
74442164144300301
oct501727304463701
986285276022188
1022122220120001
117059a87594a61
122593526911715
13c46168989a31
14566a14c4b601
152856b2bac61b
hex141ebb1267c1

22122220120001 has 8 divisors (see below), whose sum is σ = 22845825260544. Its totient is φ = 21399239050560.

The previous prime is 22122220119931. The next prime is 22122220120067. The reversal of 22122220120001 is 10002102222122.

It is a happy number.

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 22122220120001 - 222 = 22122215925697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122220120201) 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, 155945720 + ... + 156087513.

It is an arithmetic number, because the mean of its divisors is an integer number (2855728157568).

Almost surely, 222122220120001 is an apocalyptic number.

It is an amenable number.

22122220120001 is a deficient number, since it is larger than the sum of its proper divisors (723605140543).

22122220120001 is a wasteful number, since it uses less digits than its factorization.

22122220120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312035551.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22122220120001 its reverse (10002102222122), we get a palindrome (32124322342123).

The spelling of 22122220120001 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, one".

Divisors: 1 31 2287 70897 312033233 9673030223 713620003871 22122220120001