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22613441 is a prime number
BaseRepresentation
bin101011001000…
…0110111000001
31120112212210212
41112100313001
521242112231
62124403505
7363132254
oct126206701
946485725
1022613441
11118458a4
1276a6595
1348b9b46
14300909b
151eba42b
hex1590dc1

22613441 has 2 divisors, whose sum is σ = 22613442. Its totient is φ = 22613440.

The previous prime is 22613431. The next prime is 22613453. The reversal of 22613441 is 14431622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22363441 + 250000 = 4729^2 + 500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22613441 is a prime.

It is a super-2 number, since 2×226134412 = 1022735427720962, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22613411) 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 as a sum of consecutive naturals, namely, 11306720 + 11306721.

It is an arithmetic number, because the mean of its divisors is an integer number (11306721).

Almost surely, 222613441 is an apocalyptic number.

It is an amenable number.

22613441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22613441 is an equidigital number, since it uses as much as digits as its factorization.

22613441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 22613441 is about 4755.3591872749. The cubic root of 22613441 is about 282.7844671562.

The spelling of 22613441 in words is "twenty-two million, six hundred thirteen thousand, four hundred forty-one".