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2242197 = 32249133
BaseRepresentation
bin1000100011011010010101
311012220201100
420203122111
51033222242
6120020313
725026006
oct10433225
94186640
102242197
1112a1661
12901699
13606759
144251ad
152e454c
hex223695

2242197 has 6 divisors (see below), whose sum is σ = 3238742. Its totient is φ = 1494792.

The previous prime is 2242189. The next prime is 2242211. The reversal of 2242197 is 7912422.

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 54756 = 1479^2 + 234^2 .

It is not a de Polignac number, because 2242197 - 23 = 2242189 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2242197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124558 + ... + 124575.

22242197 is an apocalyptic number.

It is an amenable number.

2242197 is a deficient number, since it is larger than the sum of its proper divisors (996545).

2242197 is a wasteful number, since it uses less digits than its factorization.

2242197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249139 (or 249136 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2242197 is about 1497.3967410142. The cubic root of 2242197 is about 130.8854154101.

The spelling of 2242197 in words is "two million, two hundred forty-two thousand, one hundred ninety-seven".

Divisors: 1 3 9 249133 747399 2242197