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225224241020 = 22557791194861
BaseRepresentation
bin1101000111000001101…
…0010010111101111100
3210112100021010220011022
43101300122102331330
512142224401203040
6251244441043312
722162160314202
oct3216032227574
9715307126138
10225224241020
1187576237889
1237797186538
131831414958c
14ac8815b072
155cd2b8d6b5
hex3470692f7c

225224241020 has 24 divisors (see below), whose sum is σ = 472981517568. Its totient is φ = 90087675200.

The previous prime is 225224241001. The next prime is 225224241029. The reversal of 225224241020 is 20142422522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225224241029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058390 + ... + 1253250.

It is an arithmetic number, because the mean of its divisors is an integer number (19707563232).

Almost surely, 2225224241020 is an apocalyptic number.

225224241020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225224241020 is an abundant number, since it is smaller than the sum of its proper divisors (247757276548).

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

225224241020 is a wasteful number, since it uses less digits than its factorization.

225224241020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252661 (or 252659 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 225224241020 its reverse (20142422522), we get a palindrome (245366663542).

The spelling of 225224241020 in words is "two hundred twenty-five billion, two hundred twenty-four million, two hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 57791 115582 194861 231164 288955 389722 577910 779444 974305 1155820 1948610 3897220 11261212051 22522424102 45044848204 56306060255 112612120510 225224241020