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1222001301 = 3407333767
BaseRepresentation
bin100100011010110…
…0100001010010101
310011011102002122110
41020311210022111
510000313020201
6321131421233
742165561003
oct11065441225
93134362573
101222001301
11577873734
122a12b4819
131662287c1
14b8419a73
15724346d6
hex48d64295

1222001301 has 4 divisors (see below), whose sum is σ = 1629335072. Its totient is φ = 814667532.

The previous prime is 1222001267. The next prime is 1222001371. The reversal of 1222001301 is 1031002221.

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 de Polignac number, because none of the positive numbers 2k-1222001301 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 (1222001371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203666881 + ... + 203666886.

It is an arithmetic number, because the mean of its divisors is an integer number (407333768).

Almost surely, 21222001301 is an apocalyptic number.

It is an amenable number.

1222001301 is a deficient number, since it is larger than the sum of its proper divisors (407333771).

1222001301 is an equidigital number, since it uses as much as digits as its factorization.

1222001301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407333770.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1222001301 is about 34957.1351944063. The cubic root of 1222001301 is about 1069.1136868074.

Adding to 1222001301 its reverse (1031002221), we get a palindrome (2253003522).

The spelling of 1222001301 in words is "one billion, two hundred twenty-two million, one thousand, three hundred one".

Divisors: 1 3 407333767 1222001301