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1222030452197 = 1321739245689
BaseRepresentation
bin10001110010000110101…
…100001110010111100101
311022211021101220001000102
4101302012230032113211
5130010204243432242
62333220521353445
7154201024312442
oct21620654162745
94284241801012
101222030452197
11431295371985
12178a07638885
138b31083c739
144320a3549c9
1521bc3d31e32
hex11c86b0e5e5

1222030452197 has 4 divisors (see below), whose sum is σ = 1222039830060. Its totient is φ = 1222021074336.

The previous prime is 1222030452173. The next prime is 1222030452211. The reversal of 1222030452197 is 7912540302221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183589968676 + 1038440483521 = 428474^2 + 1019039^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222030452197 - 26 = 1222030452133 is a prime.

It is a super-3 number, since 3×12220304521973 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222030452197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222030452397) 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, 4490672 + ... + 4755017.

It is an arithmetic number, because the mean of its divisors is an integer number (305509957515).

Almost surely, 21222030452197 is an apocalyptic number.

It is an amenable number.

1222030452197 is a deficient number, since it is larger than the sum of its proper divisors (9377863).

1222030452197 is an equidigital number, since it uses as much as digits as its factorization.

1222030452197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377862.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 1222030452197 in words is "one trillion, two hundred twenty-two billion, thirty million, four hundred fifty-two thousand, one hundred ninety-seven".

Divisors: 1 132173 9245689 1222030452197