Search a number
-
+
1222222222190 = 251091121304791
BaseRepresentation
bin10001110010010010000…
…111110001001101101110
311022211202202201221222202
4101302102013301031232
5130011102342102230
62333251531541502
7154205543321564
oct21622207611556
94284682657882
101222222222190
11431383643582
12178a5b8ba892
138b3414a49c8
14432279d3a34
1521bd5ab2a45
hex11c921f136e

1222222222190 has 16 divisors (see below), whose sum is σ = 2220183488160. Its totient is φ = 484403669280.

The previous prime is 1222222222189. The next prime is 1222222222211. The reversal of 1222222222190 is 912222222221.

It is a super-2 number, since 2×12222222221902 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560651306 + ... + 560653485.

It is an arithmetic number, because the mean of its divisors is an integer number (138761468010).

Almost surely, 21222222222190 is an apocalyptic number.

1222222222190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222222222190 is a deficient number, since it is larger than the sum of its proper divisors (997961265970).

1222222222190 is a wasteful number, since it uses less digits than its factorization.

1222222222190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121304907.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 1222222222190 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred ninety".

Divisors: 1 2 5 10 109 218 545 1090 1121304791 2242609582 5606523955 11213047910 122222222219 244444444438 611111111095 1222222222190