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1022222202223 = 3472945885309
BaseRepresentation
bin11101110000000010011…
…00001111010101101111
310121201112102102021002211
432320001030033111233
5113222002340432343
62101334041231251
7133565422232425
oct16700114172557
93551472367084
101022222202223
11364581869382
12146144192527
137551a179721
1437693909115
151b8cc63779d
hexee0130f56f

1022222202223 has 4 divisors (see below), whose sum is σ = 1025168087880. Its totient is φ = 1019276316568.

The previous prime is 1022222202193. The next prime is 1022222202229. The reversal of 1022222202223 is 3222022222201.

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 1022222202223 - 213 = 1022222194031 is a prime.

It is a super-2 number, since 2×10222222022232 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022222202194 and 1022222202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022222202229) 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, 1472942308 + ... + 1472943001.

It is an arithmetic number, because the mean of its divisors is an integer number (256292021970).

Almost surely, 21022222202223 is an apocalyptic number.

1022222202223 is a deficient number, since it is larger than the sum of its proper divisors (2945885657).

1022222202223 is an equidigital number, since it uses as much as digits as its factorization.

1022222202223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945885656.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 1022222202223 its reverse (3222022222201), we get a palindrome (4244244424424).

The spelling of 1022222202223 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-three".

Divisors: 1 347 2945885309 1022222202223