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1222442230242 = 231131803012139
BaseRepresentation
bin10001110010011111001…
…111000010000111100010
311022212100002201112022010
4101302133033002013202
5130012030202331432
62333325431253350
7154214154340512
oct21623717020742
94285302645263
101222442230242
11431486851912
12178b0151a256
138b377c45c9c
1443248d03842
1521bea0703cc
hex11c9f3c21e2

1222442230242 has 16 divisors (see below), whose sum is σ = 2466520607520. Its totient is φ = 403874718912.

The previous prime is 1222442230183. The next prime is 1222442230253. The reversal of 1222442230242 is 2420322442221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901505392 + ... + 901506747.

It is an arithmetic number, because the mean of its divisors is an integer number (154157537970).

Almost surely, 21222442230242 is an apocalyptic number.

1222442230242 is an abundant number, since it is smaller than the sum of its proper divisors (1244078377278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222442230242 is a wasteful number, since it uses less digits than its factorization.

1222442230242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803012257.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 1222442230242 its reverse (2420322442221), we get a palindrome (3642764672463).

The spelling of 1222442230242 in words is "one trillion, two hundred twenty-two billion, four hundred forty-two million, two hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 3 6 113 226 339 678 1803012139 3606024278 5409036417 10818072834 203740371707 407480743414 611221115121 1222442230242