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22030244 = 2237148853
BaseRepresentation
bin101010000001…
…0011110100100
31112110020210222
41110002132210
521114431434
62104103512
7355153055
oct124023644
945406728
1022030244
1111487715
127464b98
134744562
142cd672c
151e0272e
hex15027a4

22030244 has 12 divisors (see below), whose sum is σ = 39595164. Its totient is φ = 10717344.

The previous prime is 22030241. The next prime is 22030247. The reversal of 22030244 is 44203022.

It is an interprime number because it is at equal distance from previous prime (22030241) and next prime (22030247).

It can be written as a sum of positive squares in 2 ways, for example, as 19009600 + 3020644 = 4360^2 + 1738^2 .

It is not an unprimeable number, because it can be changed into a prime (22030241) 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, 74279 + ... + 74574.

It is an arithmetic number, because the mean of its divisors is an integer number (3299597).

Almost surely, 222030244 is an apocalyptic number.

It is an amenable number.

22030244 is a deficient number, since it is larger than the sum of its proper divisors (17564920).

22030244 is a wasteful number, since it uses less digits than its factorization.

22030244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148894 (or 148892 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22030244 is about 4693.6386737797. The cubic root of 22030244 is about 280.3322756011.

Adding to 22030244 its reverse (44203022), we get a palindrome (66233266).

The spelling of 22030244 in words is "twenty-two million, thirty thousand, two hundred forty-four".

Divisors: 1 2 4 37 74 148 148853 297706 595412 5507561 11015122 22030244