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2223000231 = 3816790731
BaseRepresentation
bin1000010010000000…
…0100101010100111
312201220222010000220
42010200010222213
514023042001411
61004330335423
7106042122144
oct20440045247
95656863026
102223000231
11a40909a81
1252058a573
1329572556a
141713473cb
15d0261b06
hex84804aa7

2223000231 has 8 divisors (see below), whose sum is σ = 2964395904. Its totient is φ = 1481802360.

The previous prime is 2223000229. The next prime is 2223000251. The reversal of 2223000231 is 1320003222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2223000231 - 21 = 2223000229 is a prime.

It is a super-2 number, since 2×22230002312 = 9883460054052106722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2223000231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223000251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20865 + ... + 69866.

It is an arithmetic number, because the mean of its divisors is an integer number (370549488).

Almost surely, 22223000231 is an apocalyptic number.

2223000231 is a deficient number, since it is larger than the sum of its proper divisors (741395673).

2223000231 is an equidigital number, since it uses as much as digits as its factorization.

2223000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98901.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2223000231 is about 47148.7033862014. The cubic root of 2223000231 is about 1305.1081526901.

Adding to 2223000231 its reverse (1320003222), we get a palindrome (3543003453).

The spelling of 2223000231 in words is "two billion, two hundred twenty-three million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 3 8167 24501 90731 272193 741000077 2223000231