Search a number
-
+
2000002222221 = 3719927214753
BaseRepresentation
bin11101000110101001011…
…011000000100010001101
321002012100121000202021120
4131012221123000202031
5230232001032102341
64130442140351153
7264331630251603
oct35065133004215
97065317022246
102000002222221
11701218129433
122837448454b9
131167a3b619b3
146cb2ccab873
15370582bb066
hex1d1a96c088d

2000002222221 has 8 divisors (see below), whose sum is σ = 2670378491520. Its totient is φ = 1331480383872.

The previous prime is 2000002222219. The next prime is 2000002222223. The reversal of 2000002222221 is 1222222000002.

It is an interprime number because it is at equal distance from previous prime (2000002222219) and next prime (2000002222223).

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

It is not a de Polignac number, because 2000002222221 - 21 = 2000002222219 is a prime.

It is a super-4 number, since 4×20000022222214 (a number of 50 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2000002222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000002222223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463605220 + ... + 463609533.

It is an arithmetic number, because the mean of its divisors is an integer number (333797311440).

Almost surely, 22000002222221 is an apocalyptic number.

It is an amenable number.

2000002222221 is a deficient number, since it is larger than the sum of its proper divisors (670376269299).

2000002222221 is an equidigital number, since it uses as much as digits as its factorization.

2000002222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927215475.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2000002222221 its reverse (1222222000002), we get a palindrome (3222224222223).

The spelling of 2000002222221 in words is "two trillion, two million, two hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 3 719 2157 927214753 2781644259 666667407407 2000002222221