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22289061 = 37429687
BaseRepresentation
bin101010100000…
…1101010100101
31112221101211210
41111001222211
521201222221
62113422033
7360311454
oct125015245
945841753
1022289061
1111644113
12756a919
1348052c2
142d62b9b
151e54276
hex1541aa5

22289061 has 4 divisors (see below), whose sum is σ = 29718752. Its totient is φ = 14859372.

The previous prime is 22289053. The next prime is 22289077. The reversal of 22289061 is 16098222.

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 not a de Polignac number, because 22289061 - 23 = 22289053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22289021) 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, 3714841 + ... + 3714846.

It is an arithmetic number, because the mean of its divisors is an integer number (7429688).

Almost surely, 222289061 is an apocalyptic number.

It is an amenable number.

22289061 is a deficient number, since it is larger than the sum of its proper divisors (7429691).

22289061 is an equidigital number, since it uses as much as digits as its factorization.

22289061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429690.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 22289061 is about 4721.1292081450. The cubic root of 22289061 is about 281.4258096832.

The spelling of 22289061 in words is "twenty-two million, two hundred eighty-nine thousand, sixty-one".

Divisors: 1 3 7429687 22289061