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22057005 = 3519193401
BaseRepresentation
bin101010000100…
…1000000101101
31112111121112010
41110021000231
521121311010
62104431433
7355324065
oct124110055
945447463
1022057005
11114a5833
127478579
1347537a9
142d023a5
151e0a620
hex150902d

22057005 has 32 divisors (see below), whose sum is σ = 37434240. Its totient is φ = 11059200.

The previous prime is 22056989. The next prime is 22057019. The reversal of 22057005 is 50075022.

It is not a de Polignac number, because 22057005 - 24 = 22056989 is a prime.

It is a super-2 number, since 2×220570052 = 973022939140050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54805 + ... + 55205.

It is an arithmetic number, because the mean of its divisors is an integer number (1169820).

Almost surely, 222057005 is an apocalyptic number.

It is an amenable number.

22057005 is a deficient number, since it is larger than the sum of its proper divisors (15377235).

22057005 is a wasteful number, since it uses less digits than its factorization.

22057005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 22057005 is about 4696.4885819088. The cubic root of 22057005 is about 280.4457398676.

The spelling of 22057005 in words is "twenty-two million, fifty-seven thousand, five".

Divisors: 1 3 5 15 19 57 95 193 285 401 579 965 1203 2005 2895 3667 6015 7619 11001 18335 22857 38095 55005 77393 114285 232179 386965 1160895 1470467 4411401 7352335 22057005