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22122313230 = 2354791539479
BaseRepresentation
bin10100100110100101…
…111011011000001110
32010002202000221200110
4110212211323120032
5330301303010410
614055101540450
71412132363013
oct244645733016
963082027613
1022122313230
1194225183a6
124354874726
1321172a8a94
1410dc0dd70a
1589723e720
hex52697b60e

22122313230 has 32 divisors (see below), whose sum is σ = 53204428800. Its totient is φ = 5886963872.

The previous prime is 22122313229. The next prime is 22122313273. The reversal of 22122313230 is 3231322122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22122313197 and 22122313206.

It is a congruent number.

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, 755370 + ... + 784109.

It is an arithmetic number, because the mean of its divisors is an integer number (1662638400).

Almost surely, 222122313230 is an apocalyptic number.

22122313230 is an abundant number, since it is smaller than the sum of its proper divisors (31082115570).

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

22122313230 is a wasteful number, since it uses less digits than its factorization.

22122313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539968.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22122313230 its reverse (3231322122), we get a palindrome (25353635352).

The spelling of 22122313230 in words is "twenty-two billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 479 958 1437 2395 2874 4790 7185 14370 1539479 3078958 4618437 7697395 9236874 15394790 23092185 46184370 737410441 1474820882 2212231323 3687052205 4424462646 7374104410 11061156615 22122313230