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222130232 = 2327766279
BaseRepresentation
bin11010011110101…
…11000000111000
3120110222101101122
431033113000320
5423331131412
634013004412
75335035002
oct1517270070
9513871348
10222130232
11104428805
1262483708
133703520c
1421703372
151477b572
hexd3d7038

222130232 has 8 divisors (see below), whose sum is σ = 416494200. Its totient is φ = 111065112.

The previous prime is 222130187. The next prime is 222130241. The reversal of 222130232 is 232031222.

222130232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 222130232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13883132 + ... + 13883147.

It is an arithmetic number, because the mean of its divisors is an integer number (52061775).

Almost surely, 2222130232 is an apocalyptic number.

It is an amenable number.

222130232 is a deficient number, since it is larger than the sum of its proper divisors (194363968).

222130232 is a wasteful number, since it uses less digits than its factorization.

222130232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27766285 (or 27766281 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222130232 is about 14904.0340847705. The cubic root of 222130232 is about 605.6232740785.

Adding to 222130232 its reverse (232031222), we get a palindrome (454161454).

The spelling of 222130232 in words is "two hundred twenty-two million, one hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 27766279 55532558 111065116 222130232