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1222342201 = 2115793091
BaseRepresentation
bin100100011011011…
…0111011000111001
310011012001102021101
41020312313120321
510000404422301
6321143011401
742201510613
oct11066673071
93135042241
101222342201
11577a86873
122a1439b61
13166317a12
14b84a7db3
15724a0701
hex48db7639

1222342201 has 4 divisors (see below), whose sum is σ = 1228135504. Its totient is φ = 1216548900.

The previous prime is 1222342189. The next prime is 1222342321. The reversal of 1222342201 is 1022432221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1022432221 = 1601638621.

It is a cyclic number.

It is not a de Polignac number, because 1222342201 - 25 = 1222342169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222342801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2896335 + ... + 2896756.

It is an arithmetic number, because the mean of its divisors is an integer number (307033876).

Almost surely, 21222342201 is an apocalyptic number.

It is an amenable number.

1222342201 is a deficient number, since it is larger than the sum of its proper divisors (5793303).

1222342201 is an equidigital number, since it uses as much as digits as its factorization.

1222342201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793302.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1222342201 is about 34962.0108260380. The cubic root of 1222342201 is about 1069.2130939492.

Adding to 1222342201 its reverse (1022432221), we get a palindrome (2244774422).

The spelling of 1222342201 in words is "one billion, two hundred twenty-two million, three hundred forty-two thousand, two hundred one".

Divisors: 1 211 5793091 1222342201