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1022022222220 = 22551101111111
BaseRepresentation
bin11101101111101010100…
…01011000000110001100
310121201000111010020010001
432313311101120012030
5113221100142102340
62101302135054044
7133560443360356
oct16676521300614
93551014106101
101022022222220
1136448999a44a
121460a9211324
13754b78cb56c
14376751300d6
151b8b9cd429a
hexedf545818c

1022022222220 has 12 divisors (see below), whose sum is σ = 2146246666704. Its totient is φ = 408808888880.

The previous prime is 1022022222163. The next prime is 1022022222281. The reversal of 1022022222220 is 222222202201.

1022022222220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25550555536 + ... + 25550555575.

It is an arithmetic number, because the mean of its divisors is an integer number (178853888892).

Almost surely, 21022022222220 is an apocalyptic number.

1022022222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022022222220 is an abundant number, since it is smaller than the sum of its proper divisors (1124224444484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022022222220 is a wasteful number, since it uses less digits than its factorization.

1022022222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51101111120 (or 51101111118 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 1022022222220 its reverse (222222202201), we get a palindrome (1244244424421).

The spelling of 1022022222220 in words is "one trillion, twenty-two billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 51101111111 102202222222 204404444444 255505555555 511011111110 1022022222220