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22300030 = 2516313681
BaseRepresentation
bin101010100010…
…0010101111110
31112221221220001
41111010111332
521202100110
62113544514
7360355444
oct125042576
945857801
1022300030
1111651385
12757513a
13480a2ac
142d66b94
151e5763a
hex154457e

22300030 has 16 divisors (see below), whose sum is σ = 40389264. Its totient is φ = 8864640.

The previous prime is 22300027. The next prime is 22300049. The reversal of 22300030 is 3000322.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5211 + ... + 8470.

It is an arithmetic number, because the mean of its divisors is an integer number (2524329).

Almost surely, 222300030 is an apocalyptic number.

22300030 is a deficient number, since it is larger than the sum of its proper divisors (18089234).

22300030 is a wasteful number, since it uses less digits than its factorization.

22300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13851.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 22300030 is about 4722.2907576726. The cubic root of 22300030 is about 281.4719676536.

Adding to 22300030 its reverse (3000322), we get a palindrome (25300352).

It can be divided in two parts, 2 and 2300030, that added together give a palindrome (2300032).

The spelling of 22300030 in words is "twenty-two million, three hundred thousand, thirty".

Divisors: 1 2 5 10 163 326 815 1630 13681 27362 68405 136810 2230003 4460006 11150015 22300030