Search a number
-
+
2115222 = 231672111
BaseRepresentation
bin1000000100011010010110
310222110112120
420010122112
51020141342
6113200410
723656554
oct10043226
93873476
102115222
11121521a
12860106
13590a15
143d0bd4
152bbaec
hex204696

2115222 has 16 divisors (see below), whose sum is σ = 4257792. Its totient is φ = 700520.

The previous prime is 2115221. The next prime is 2115227. The reversal of 2115222 is 2225112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115221) 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, 54 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (266112).

22115222 is an apocalyptic number.

2115222 is an abundant number, since it is smaller than the sum of its proper divisors (2142570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115222 is a wasteful number, since it uses less digits than its factorization.

2115222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283.

The product of its digits is 80, while the sum is 15.

The square root of 2115222 is about 1454.3802803944. The cubic root of 2115222 is about 128.3665842140.

The spelling of 2115222 in words is "two million, one hundred fifteen thousand, two hundred twenty-two".

Divisors: 1 2 3 6 167 334 501 1002 2111 4222 6333 12666 352537 705074 1057611 2115222