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2197122 = 231919273
BaseRepresentation
bin1000011000011010000010
311010121212220
420120122002
51030301442
6115031510
724450414
oct10303202
94117786
102197122
111270804
1289b596
135bc095
144129b4
152d5eec
hex218682

2197122 has 16 divisors (see below), whose sum is σ = 4625760. Its totient is φ = 693792.

The previous prime is 2197087. The next prime is 2197157. The reversal of 2197122 is 2217912.

It is an interprime number because it is at equal distance from previous prime (2197087) and next prime (2197157).

It is a junction number, because it is equal to n+sod(n) for n = 2197092 and 2197101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9523 + ... + 9750.

It is an arithmetic number, because the mean of its divisors is an integer number (289110).

22197122 is an apocalyptic number.

2197122 is an abundant number, since it is smaller than the sum of its proper divisors (2428638).

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

2197122 is a wasteful number, since it uses less digits than its factorization.

2197122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19297.

The product of its digits is 504, while the sum is 24.

The square root of 2197122 is about 1482.2692063185. The cubic root of 2197122 is about 130.0024062671.

The spelling of 2197122 in words is "two million, one hundred ninety-seven thousand, one hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 19273 38546 57819 115638 366187 732374 1098561 2197122