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1220200022 = 21132153891
BaseRepresentation
bin100100010111010…
…1100011001010110
310011001000120202102
41020232230121112
54444332400042
6321025042102
742144346316
oct11056543126
93131016672
101220200022
11576853378
122a0786332
13165a47962
14b80ab446
15721cab32
hex48bac656

1220200022 has 8 divisors (see below), whose sum is σ = 1830495672. Its totient is φ = 610034800.

The previous prime is 1220200013. The next prime is 1220200039. The reversal of 1220200022 is 2200020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1220199976 and 1220200012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4304 + ... + 49587.

It is an arithmetic number, because the mean of its divisors is an integer number (228811959).

Almost surely, 21220200022 is an apocalyptic number.

1220200022 is a deficient number, since it is larger than the sum of its proper divisors (610295650).

1220200022 is a wasteful number, since it uses less digits than its factorization.

1220200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65214.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1220200022 is about 34931.3615823947. The cubic root of 1220200022 is about 1068.5881229834.

Adding to 1220200022 its reverse (2200020221), we get a palindrome (3420220243).

The spelling of 1220200022 in words is "one billion, two hundred twenty million, two hundred thousand, twenty-two".

Divisors: 1 2 11321 22642 53891 107782 610100011 1220200022