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1225131452222 = 21575996513677
BaseRepresentation
bin10001110100111111100…
…001100110011100111110
311100010021111222011100012
4101310333201212130332
5130033032122432342
62334452334503222
7154340620344026
oct21647741463476
94303244864305
101225131452222
11432636847117
12179532064b12
138b6b61279b2
144342212ca86
1521d061c6b82
hex11d3f86673e

1225131452222 has 16 divisors (see below), whose sum is σ = 1852490023200. Its totient is φ = 607647806688.

The previous prime is 1225131452191. The next prime is 1225131452239. The reversal of 1225131452222 is 2222541315221.

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, 3068753 + ... + 3444924.

It is an arithmetic number, because the mean of its divisors is an integer number (115780626450).

Almost surely, 21225131452222 is an apocalyptic number.

1225131452222 is a deficient number, since it is larger than the sum of its proper divisors (627358570978).

1225131452222 is a wasteful number, since it uses less digits than its factorization.

1225131452222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514435.

The product of its digits is 19200, while the sum is 32.

Adding to 1225131452222 its reverse (2222541315221), we get a palindrome (3447672767443).

The spelling of 1225131452222 in words is "one trillion, two hundred twenty-five billion, one hundred thirty-one million, four hundred fifty-two thousand, two hundred twenty-two".

Divisors: 1 2 157 314 599 1198 94043 188086 6513677 13027354 1022647289 2045294578 3901692523 7803385046 612565726111 1225131452222