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22401223230 = 2354513165457
BaseRepresentation
bin10100110111001101…
…111000101000111110
32010211011212001021110
4110313031320220332
5331334203120410
614142503542450
71422060153501
oct246715705076
963734761243
1022401223230
1195559a7631
12441215aa26
132160001299
141127183138
158b1984720
hex537378a3e

22401223230 has 32 divisors (see below), whose sum is σ = 53775173664. Its totient is φ = 5972299776.

The previous prime is 22401223213. The next prime is 22401223297. The reversal of 22401223230 is 3232210422.

It is a junction number, because it is equal to n+sod(n) for n = 22401223197 and 22401223206.

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, 52662 + ... + 218118.

It is an arithmetic number, because the mean of its divisors is an integer number (1680474177).

Almost surely, 222401223230 is an apocalyptic number.

22401223230 is an abundant number, since it is smaller than the sum of its proper divisors (31373950434).

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

22401223230 is a wasteful number, since it uses less digits than its factorization.

22401223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169980.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22401223230 its reverse (3232210422), we get a palindrome (25633433652).

The spelling of 22401223230 in words is "twenty-two billion, four hundred one million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4513 9026 13539 22565 27078 45130 67695 135390 165457 330914 496371 827285 992742 1654570 2481855 4963710 746707441 1493414882 2240122323 3733537205 4480244646 7467074410 11200611615 22401223230