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2022122101220 = 225137777392697
BaseRepresentation
bin11101011011001111110…
…111101001100111100100
321011022110011111000211022
4131123033313221213210
5231112301224214340
64144541114230312
7266044033156004
oct35331767514744
97138404430738
102022122101220
1170a639233971
12287a98725398
131188ba7977b0
146dc2a936004
15379001c93b5
hex1d6cfde99e4

2022122101220 has 24 divisors (see below), whose sum is σ = 4573106906424. Its totient is φ = 746629698816.

The previous prime is 2022122101213. The next prime is 2022122101253. The reversal of 2022122101220 is 221012212202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61427639716 + 1960694461504 = 247846^2 + 1400248^2 .

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, 3888696089 + ... + 3888696608.

It is an arithmetic number, because the mean of its divisors is an integer number (190546121101).

Almost surely, 22022122101220 is an apocalyptic number.

2022122101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022122101220 is an abundant number, since it is smaller than the sum of its proper divisors (2550984805204).

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

2022122101220 is a wasteful number, since it uses less digits than its factorization.

2022122101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777392719 (or 7777392717 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2022122101220 its reverse (221012212202), we get a palindrome (2243134313422).

The spelling of 2022122101220 in words is "two trillion, twenty-two billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 7777392697 15554785394 31109570788 38886963485 77773926970 101106105061 155547853940 202212210122 404424420244 505530525305 1011061050610 2022122101220