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2230220983 = 9721229423
BaseRepresentation
bin1000010011101110…
…0111100010110111
312202102112222001011
42010323213202313
514031414032413
61005145213051
7106160364664
oct20473474267
95672488034
102230220983
11a449a1041
12522a91187
132970830b3
141722a6a6b
15d0bdb33d
hex84ee78b7

2230220983 has 4 divisors (see below), whose sum is σ = 2230460128. Its totient is φ = 2229981840.

The previous prime is 2230220981. The next prime is 2230220999. The reversal of 2230220983 is 3890220322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2230220983 - 21 = 2230220981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230220981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104991 + ... + 124432.

It is an arithmetic number, because the mean of its divisors is an integer number (557615032).

Almost surely, 22230220983 is an apocalyptic number.

2230220983 is a deficient number, since it is larger than the sum of its proper divisors (239145).

2230220983 is an equidigital number, since it uses as much as digits as its factorization.

2230220983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239144.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2230220983 is about 47225.2155421233. The cubic root of 2230220983 is about 1306.5197100697.

The spelling of 2230220983 in words is "two billion, two hundred thirty million, two hundred twenty thousand, nine hundred eighty-three".

Divisors: 1 9721 229423 2230220983