Search a number
-
+
22222090121 = 711288598573
BaseRepresentation
bin10100101100100010…
…100010111110001001
32010100200210010211212
4110230202202332021
5331002323340441
614113024302505
71414453435520
oct245442427611
963320703755
1022222090121
119473877240
124382171a35
132131b71b6a
14110b4734b7
158a0d9ceeb
hex52c8a2f89

22222090121 has 8 divisors (see below), whose sum is σ = 27705463104. Its totient is φ = 17315914320.

The previous prime is 22222090103. The next prime is 22222090139. The reversal of 22222090121 is 12109022222.

It is an interprime number because it is at equal distance from previous prime (22222090103) and next prime (22222090139).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22222090121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22222090171) 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, 144299210 + ... + 144299363.

It is an arithmetic number, because the mean of its divisors is an integer number (3463182888).

Almost surely, 222222090121 is an apocalyptic number.

It is an amenable number.

22222090121 is a deficient number, since it is larger than the sum of its proper divisors (5483372983).

22222090121 is a wasteful number, since it uses less digits than its factorization.

22222090121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288598591.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 22222090121 in words is "twenty-two billion, two hundred twenty-two million, ninety thousand, one hundred twenty-one".

Divisors: 1 7 11 77 288598573 2020190011 3174584303 22222090121