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1228822122 = 231119396469
BaseRepresentation
bin100100100111110…
…0101011001101010
310011122020122001110
41021033211121222
510004034301442
6321533531150
742310546533
oct11117453152
93148218043
101228822122
11580702280
122a3643ab6
131677762a8
14b92b368a
1572d3069c
hex493e566a

1228822122 has 32 divisors (see below), whose sum is σ = 2694985920. Its totient is φ = 370437120.

The previous prime is 1228822103. The next prime is 1228822151. The reversal of 1228822122 is 2212288221.

It is a self number, because there is not a number n which added to its sum of digits gives 1228822122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35497 + ... + 60972.

It is an arithmetic number, because the mean of its divisors is an integer number (84218310).

Almost surely, 21228822122 is an apocalyptic number.

1228822122 is an abundant number, since it is smaller than the sum of its proper divisors (1466163798).

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

1228822122 is a wasteful number, since it uses less digits than its factorization.

1228822122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96678.

The product of its digits is 4096, while the sum is 30.

The square root of 1228822122 is about 35054.5592184526. The cubic root of 1228822122 is about 1071.0991476952.

The spelling of 1228822122 in words is "one billion, two hundred twenty-eight million, eight hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 193 386 579 1158 2123 4246 6369 12738 96469 192938 289407 578814 1061159 2122318 3183477 6366954 18618517 37237034 55855551 111711102 204803687 409607374 614411061 1228822122