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30225422 = 217888983
BaseRepresentation
bin111001101001…
…1010000001110
32002212121111002
41303103100032
530214203142
62555500302
7514624523
oct163232016
962777432
1030225422
1116074897
12a157692
136353786
14402b14a
1529c0a32
hex1cd340e

30225422 has 8 divisors (see below), whose sum is σ = 48005136. Its totient is φ = 14223712.

The previous prime is 30225421. The next prime is 30225451. The reversal of 30225422 is 22452203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×302254222 = 1827152270156168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30225394 and 30225403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30225421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444458 + ... + 444525.

It is an arithmetic number, because the mean of its divisors is an integer number (6000642).

Almost surely, 230225422 is an apocalyptic number.

30225422 is a deficient number, since it is larger than the sum of its proper divisors (17779714).

30225422 is a wasteful number, since it uses less digits than its factorization.

30225422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889002.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30225422 is about 5497.7651823264. The cubic root of 30225422 is about 311.4995744536.

Adding to 30225422 its reverse (22452203), we get a palindrome (52677625).

The spelling of 30225422 in words is "thirty million, two hundred twenty-five thousand, four hundred twenty-two".

Divisors: 1 2 17 34 888983 1777966 15112711 30225422