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22296690 = 232513171959
BaseRepresentation
bin101010100001…
…1100001110010
31112221210022100
41111003201302
521201443230
62113521230
7360342633
oct125034162
945853270
1022296690
1111649919
127573216
134808910
142d6588a
151e56660
hex1543872

22296690 has 192 divisors, whose sum is σ = 70761600. Its totient is φ = 4810752.

The previous prime is 22296689. The next prime is 22296697. The reversal of 22296690 is 9669222.

It is a super-2 number, since 2×222966902 = 994284769912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22296697) 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 95 ways as a sum of consecutive naturals, for example, 377881 + ... + 377939.

It is an arithmetic number, because the mean of its divisors is an integer number (368550).

Almost surely, 222296690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22296690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35380800).

22296690 is an abundant number, since it is smaller than the sum of its proper divisors (48464910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22296690 is a wasteful number, since it uses less digits than its factorization.

22296690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 22296690 is about 4721.9371025036. The cubic root of 22296690 is about 281.4579144093.

The spelling of 22296690 in words is "twenty-two million, two hundred ninety-six thousand, six hundred ninety".