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22200493 = 719712351
BaseRepresentation
bin101010010110…
…0000010101101
31112202220100111
41110230002231
521140403433
62111500021
7356462320
oct124540255
945686314
1022200493
1111593617
127527611
1347a3bb3
142d3c7b7
151e37dcd
hex152c0ad

22200493 has 16 divisors (see below), whose sum is σ = 27095040. Its totient is φ = 17766000.

The previous prime is 22200491. The next prime is 22200499. The reversal of 22200493 is 39400222.

It is not a de Polignac number, because 22200493 - 21 = 22200491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200491) 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 15 ways as a sum of consecutive naturals, for example, 8268 + ... + 10618.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 222200493 is an apocalyptic number.

It is an amenable number.

22200493 is a deficient number, since it is larger than the sum of its proper divisors (4894547).

22200493 is a wasteful number, since it uses less digits than its factorization.

22200493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22200493 is about 4711.7399121768. The cubic root of 22200493 is about 281.0525562044.

The spelling of 22200493 in words is "twenty-two million, two hundred thousand, four hundred ninety-three".

Divisors: 1 7 19 71 133 497 1349 2351 9443 16457 44669 166921 312683 1168447 3171499 22200493