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22200197 = 241251367
BaseRepresentation
bin101010010101…
…1111110000101
31112202212221112
41110223332011
521140401242
62111454405
7356461415
oct124537605
945685845
1022200197
1111593378
127527405
1347a3a16
142d3c645
151e37c82
hex152bf85

22200197 has 8 divisors (see below), whose sum is σ = 22442112. Its totient is φ = 21960000.

The previous prime is 22200179. The next prime is 22200263. The reversal of 22200197 is 79100222.

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 22200197 - 214 = 22183813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200137) 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, 60308 + ... + 60674.

It is an arithmetic number, because the mean of its divisors is an integer number (2805264).

Almost surely, 222200197 is an apocalyptic number.

It is an amenable number.

22200197 is a deficient number, since it is larger than the sum of its proper divisors (241915).

22200197 is a wasteful number, since it uses less digits than its factorization.

22200197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 22200197 is about 4711.7085011702. The cubic root of 22200197 is about 281.0513071041.

The spelling of 22200197 in words is "twenty-two million, two hundred thousand, one hundred ninety-seven".

Divisors: 1 241 251 367 60491 88447 92117 22200197