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2214197 = 2638419
BaseRepresentation
bin1000011100100100110101
311011111022022
420130210311
51031323242
6115242525
724551246
oct10344465
94144268
102214197
111282617
128a9445
135c6a9b
14418ccd
152db0d2
hex21c935

2214197 has 4 divisors (see below), whose sum is σ = 2222880. Its totient is φ = 2205516.

The previous prime is 2214193. The next prime is 2214209. The reversal of 2214197 is 7914122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2214197 - 22 = 2214193 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 (2214193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3947 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (555720).

22214197 is an apocalyptic number.

It is an amenable number.

2214197 is a deficient number, since it is larger than the sum of its proper divisors (8683).

2214197 is an equidigital number, since it uses as much as digits as its factorization.

2214197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8682.

The product of its digits is 1008, while the sum is 26.

The square root of 2214197 is about 1488.0178090332. The cubic root of 2214197 is about 130.3383101443.

The spelling of 2214197 in words is "two million, two hundred fourteen thousand, one hundred ninety-seven".

Divisors: 1 263 8419 2214197