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22222032030 = 23251122446497
BaseRepresentation
bin10100101100100010…
…010100110010011110
32010100200200012011100
4110230202110302132
5331002320011110
614113023133530
71414453104252
oct245442246236
963320605140
1022222032030
119473837630
1243821442a6
132131b515a3
14110b45a262
158a0d8abc0
hex52c894c9e

22222032030 has 48 divisors (see below), whose sum is σ = 63029766384. Its totient is φ = 5387159040.

The previous prime is 22222032029. The next prime is 22222032059. The reversal of 22222032030 is 3023022222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22222031994 and 22222032012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11222259 + ... + 11224238.

It is an arithmetic number, because the mean of its divisors is an integer number (1313120133).

Almost surely, 222222032030 is an apocalyptic number.

22222032030 is an abundant number, since it is smaller than the sum of its proper divisors (40807734354).

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

22222032030 is a wasteful number, since it uses less digits than its factorization.

22222032030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22446521 (or 22446518 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22222032030 its reverse (3023022222), we get a palindrome (25245054252).

The spelling of 22222032030 in words is "twenty-two billion, two hundred twenty-two million, thirty-two thousand, thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 22446497 44892994 67339491 112232485 134678982 202018473 224464970 246911467 336697455 404036946 493822934 673394910 740734401 1010092365 1234557335 1481468802 2020184730 2222203203 2469114670 3703672005 4444406406 7407344010 11111016015 22222032030