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1322222113 = 4481295073
BaseRepresentation
bin100111011001111…
…1000001000100001
310102010222211202101
41032303320020201
510201442101423
6335111450401
744523462652
oct11663701041
93363884671
101322222113
116193a6053
1230a986a01
13180c18964
14c7867529
157b12e7ad
hex4ecf8221

1322222113 has 4 divisors (see below), whose sum is σ = 1322521668. Its totient is φ = 1321922560.

The previous prime is 1322222101. The next prime is 1322222147. The reversal of 1322222113 is 3112222231.

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 524272609 + 797949504 = 22897^2 + 28248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1322222113 is a prime.

It is a super-2 number, since 2×13222221132 = 3496542632212369538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322222813) 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, 143056 + ... + 152017.

It is an arithmetic number, because the mean of its divisors is an integer number (330630417).

Almost surely, 21322222113 is an apocalyptic number.

It is an amenable number.

1322222113 is a deficient number, since it is larger than the sum of its proper divisors (299555).

1322222113 is an equidigital number, since it uses as much as digits as its factorization.

1322222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299554.

The product of its digits is 288, while the sum is 19.

The square root of 1322222113 is about 36362.3722135946. The cubic root of 1322222113 is about 1097.5765138825.

Adding to 1322222113 its reverse (3112222231), we get a palindrome (4434444344).

The spelling of 1322222113 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 4481 295073 1322222113