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22630965 = 357239371
BaseRepresentation
bin101011001010…
…1001000110101
31120120202211220
41112111020311
521243142330
62125020553
7363234330
oct126251065
946522756
1022630965
1111857a85
1276b4759
1348c4b06
143011617
151ec0710
hex1595235

22630965 has 32 divisors (see below), whose sum is σ = 43186176. Its totient is φ = 9894720.

The previous prime is 22630963. The next prime is 22630967. The reversal of 22630965 is 56903622.

It is an interprime number because it is at equal distance from previous prime (22630963) and next prime (22630967).

It is not a de Polignac number, because 22630965 - 21 = 22630963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2271 + ... + 7100.

It is an arithmetic number, because the mean of its divisors is an integer number (1349568).

Almost surely, 222630965 is an apocalyptic number.

It is an amenable number.

22630965 is a deficient number, since it is larger than the sum of its proper divisors (20555211).

22630965 is a wasteful number, since it uses less digits than its factorization.

22630965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9409.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 22630965 is about 4757.2013831664. The cubic root of 22630965 is about 282.8574950438.

The spelling of 22630965 in words is "twenty-two million, six hundred thirty thousand, nine hundred sixty-five".

Divisors: 1 3 5 7 15 21 23 35 69 105 115 161 345 483 805 2415 9371 28113 46855 65597 140565 196791 215533 327985 646599 983955 1077665 1508731 3232995 4526193 7543655 22630965