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222332130 = 23256736871
BaseRepresentation
bin11010100000010…
…00010011100010
3120111100122100100
431100020103202
5423404112010
634021203230
75336535426
oct1520102342
9514318310
10222332130
11104556469
1262560516
13370a6097
1421756b86
15147bb2c0
hexd4084e2

222332130 has 48 divisors (see below), whose sum is σ = 586707264. Its totient is φ = 58402080.

The previous prime is 222332113. The next prime is 222332179. The reversal of 222332130 is 31233222.

Adding to 222332130 its reverse (31233222), we get a palindrome (253565352).

It is a happy number.

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

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, 12406 + ... + 24465.

It is an arithmetic number, because the mean of its divisors is an integer number (12223068).

Almost surely, 2222332130 is an apocalyptic number.

222332130 is an abundant number, since it is smaller than the sum of its proper divisors (364375134).

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

222332130 is a wasteful number, since it uses less digits than its factorization.

222332130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36951 (or 36948 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 222332130 is about 14910.8058132349. The cubic root of 222332130 is about 605.8067056623.

The spelling of 222332130 in words is "two hundred twenty-two million, three hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 67 90 134 201 335 402 603 670 1005 1206 2010 3015 6030 36871 73742 110613 184355 221226 331839 368710 553065 663678 1106130 1659195 2470357 3318390 4940714 7411071 12351785 14822142 22233213 24703570 37055355 44466426 74110710 111166065 222332130