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12222929 = 94712907
BaseRepresentation
bin101110101000…
…000111010001
3211222222201002
4232220013101
511112113204
61113551345
7205615235
oct56500721
924888632
1012222929
1169992a4
124115555
1326bc604
1418a25c5
15111691e
hexba81d1

12222929 has 4 divisors (see below), whose sum is σ = 12236784. Its totient is φ = 12209076.

The previous prime is 12222923. The next prime is 12222937. The reversal of 12222929 is 92922221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12222929 - 28 = 12222673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5507 + ... + 7400.

It is an arithmetic number, because the mean of its divisors is an integer number (3059196).

Almost surely, 212222929 is an apocalyptic number.

It is an amenable number.

12222929 is a deficient number, since it is larger than the sum of its proper divisors (13855).

12222929 is an equidigital number, since it uses as much as digits as its factorization.

12222929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13854.

The product of its digits is 2592, while the sum is 29.

The square root of 12222929 is about 3496.1305753647. The cubic root of 12222929 is about 230.3518810362.

The spelling of 12222929 in words is "twelve million, two hundred twenty-two thousand, nine hundred twenty-nine".

Divisors: 1 947 12907 12222929